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2025 New 30 V Ultra High Output Fan Battery Set: 30 V Ultra High Output & 40,000 mAh Ultra High Capacity Battery, Small, Stronger Air Flow & A Full Set of Fan and Battery for 2025 is finally here. The storm is more strong and creates an invigorating sensation. You can maximize the performance of your air conditioning workwear. When you press the button, a large amount of fresh air circulates through the clothes rapidly, drying the sweat in the clothes, releasing hot air and creating a pleasant sensation for overwhelming cooling. After wearing, the rapid air flow within the clothes quickly evaporates sweat on the skin and rapidly lowers the surface temperature of the body, making it a must-have item for outdoor workers

(Improved in storms of 4.6 gal (168 L) / s oversized air flow & brushless motor made in Japan) This fan battery set is a classic item of 2025 extreme heat that combines stable airflow and silence. ✔ Adopts a streamlined 3-blade ultra-thin fan body with aerodynamics to reduce wind resistance by 50%. In addition to 4 levels of switching between 15V-19V-24V-30V with just one button, the power is consistent even with the strongest 30V air flow mode, and the air volume does not weaken the air flow, and it delivers storms within your clothes at 168 L/s per second, quickly enhances air circulation and lowers body temperature. It is very useful when there is no air conditioner

(30 V High Power & 40,000 mAh Ultra High Capacity & Compact) Uses the same high-performance 21700 battery used by electric vehicles and has improved durability by 2.5 times (compared to our company). Comes with a dedicated rapid AC adapter for air conditioned clothing and can be charged in just 5 hours. 30 V (Eco Mode) Wind power is 8 hours, "24 V" wind power is 12 hours, "19 V" wind power is 15 hours, "15 V" wind power is 20 hours, and it greatly improves compared to conventional use. You can always feel a cool breeze even when you work for a long time. Each mode provides the optimum wind power according to your work content and temperature, and rapidly evaporates sweat and reduces inside temperature rapidly. Intuitive control allows you to instantly switch between airflow so you can be flexible enough to adapt to temperature changes during your work. This improves work efficiency and ensures long work in a comfortable environment. (*The above usage time is based on the number in a specific environment. Actual usage time may vary. )

(Air Conditioned Work Clothes Battery Fan Set & Long Lasting Continuous Operation) Set Includes: 2 x 30V Air Conditioning Fans, 1 x 40,000 mAh Dedicated Battery, 1 x Rapid Charger, 1 x Connection Cable, 1 x Japanese Instruction Manual (English Language Not Guaranteed) Although it has a large capacity, it weighs approximately 11.8 oz (310 g), and it has a 25% smaller volume, and has greatly improved durability. Equipped with a high performance chip and many safety protection features such as overcharge protection, over-discharge protection, over-current protection, and short circuit protection. Equipped with a high quality lithium polymer battery that has acquired the Japan Electric Safety Act (PSE) certification so you can use it with confidence. Fully charged (red indicator light on the included rapid charger will light up blue. for up to 20 hours of continuous operation. A dedicated fan battery set that is perfect for working clothes with air conditioning function to prevent heatstroke in high temperature environments and to prevent heatstroke

High Interchangeable and Heatstroke Prevention Essentials: The diameter of the fan mount is 3.5 inches (9 cm). It is compatible with 99% of commercially available clothing, vests, short sleeves, and long sleeves, and is extremely compatible. Instantly blows away hot and humid heat for an overwhelming cooling sensation. Powerful 360° air flow, takes only 3 seconds to instantly reduce body temperature to -15 degrees Celsius for instant cooling. A heatstroke solution for workers who cannot use an air conditioner. It can be used in high temperature environments such as factories, forestry work, agriculture, construction work, welding work, etc. The fan battery set allows you to "relax" work in high temperature environments to improve efficiency

(2025 New & Equipped with Solar Panel, 28V Ultra High Output & Air Conditioning Work Clothes, Fan Battery Set) The latest model of the 2025 summer model, air conditioning work clothes fan is equipped with 5 large area blades that are aerodynamic, reducing wind resistance by 45%, and producing a powerful breeze. Equipped with high quality solar panels. It can be continuously charged even in emergencies where there is no power source for outdoor activities or disasters. The surface of the panel is treated with a special coating to resist rain and dust. Equipped with a 30,000 mAh large capacity dedicated battery. Not only can you switch between 5 levels of 15 V-18 V-22 V-28 V-Auto mode with one button, it also has a consistent power even with the strongest 28 V air flow mode compared to the same product, so the air volume will not be weak, it will send storms within your clothes. It is useful as a countermeasure against sticky sweat in the middle of the summer and burning sun. The 28 V storms are more powerful and the wind running through the clothes creates an impact and invigorating sensation. Maximize the performance of your air conditioning vest

Incredible 130L/S Explosion Fan & 5 Level Air Flow Adjustment: Introducing the new 2025 high-power air conditioning fan. Made of high density ABS material and high performance Japanese brushless motor for overwhelming energy saving, and a silent design that does not cause any noise of rotation. The included fan of the air conditioner wear uses the most 5-blade type to create a quiet, stress-free and comfortable breeze. When the switch is turned on, the air conditioning clothing instantly expands and breathe in an instant, from the abdomen to the back, and the wind will flow through your neck for a pleasant experience. You'll feel comfortable and cool enough to forget the heat of summer. By combining this 28 V high power lithium on battery, you can adjust the wind power between 5 different levels of "Strongest Wind, Medium Wind, Low Circulation" to optimize the temperature of your body while working in the blazing sun, this item combines practicality and convenience

(28 V High Power & 30,000 mAh High Capacity Battery, Long Operation) The 28 V High Output Battery of the 2025 model work clothes with fan provides powerful air flow that changes the working environment in hot summer. Furthermore, it has a large capacity of 3,000 mAh, and can be used continuously for about 13 to 15 hours at 15 V or 6 to 7 hours at 28 V. Amazing blast can last longer By using automatic voltage switching mode and voltage fixing mode, you can choose the output that best suits your environment. Equipped with a high quality lithium polymer battery that has acquired the Japan Electrical Safety Act (PSE). You can use it with confidence

(Japanese-made Brushless High Speed Motor & Instant Cooling & Storm-Cooling Experience) Delivers uncomfortable spinning sound while ensuring strong wind at 28.6 gal (130 L) per second. Uses a 28V brushless motor, which allows for stable operation, and the speed of rotation is more than 2.5 times higher than conventional air conditioning fans motors, but it is quiet. High performance all-copper core motor with overwhelming energy saving, generating a high degree of direct air flow, achieving an average temperature of 13 degrees Celsius than normal air conditioning fans. This item is designed to protect against heat for those who work in environments where air conditioning is unable to use in factories or outdoor work. You can easily work in high temperature environments and increase your work efficiency

(High Interchangeable & Wide Range of Uses) The diameter of the fan mount is 3.5 inches (9 cm) and is compatible with 90% of commercially available air conditioned work clothing, air conditioning vests, and air conditioning pants. The latest fan is made of ABS resin and weighs 3.8 oz (94 g) and is 1.5 inches (3.8 cm) thick, making it ultra lightweight and ultra-thin, yet highly resistant to impacts. Great for a variety of occasions such as architecture, civil engineering, factory work, fishing, forestry work, farms, outdoor work, transportation, warehouse work, mountain climbing, walking, golf, touring, camping, and more. Set Contents: 28 V fans, 1 dedicated battery, 1 connection cable, 1 rapid charger, 1 Type-C cable, 1 instruction manual (English language not guaranteed)

[Work Clothes Vest & Fan Battery Set] Set Includes: Work clothes x 1, battery x 1, juan x 2, connection cable x 1, battery charging cable x 1. (This product includes a large capacity mobile battery. 2025 summer design, installed on both sides of the waist, strong wind force to generate air circulation inside the cooling vest, which can quickly blow away the heat dissipated from the human body. The fan cover can be easily removed with both hands, making it easy to clean and always comfortable to use. It provides excellent cooling even in the hot sun, improving work efficiency and preventing heatstroke

40,800 mAh High Capacity Battery Included & Super Time Operation: The work clothes with fan comes with a large capacity of 40,800 mAh and can be used continuously for up to 33 hours. The power bank is PSE certified, so you can use it for a long time. (Be sure to remove the fan set or battery from your work clothes when washing. If you want to easily control your air conditioning fan while working, this cord hole allows you to pull out the power cord from the outside and put the battery in a pocket on the waist side

(Super Large Air Flow & 3 Level Air Flow Adjustment) The fan of the work clothes adopts 3 large area blades for stronger wind so you can stay comfortable. The connection cable allows you to adjust the 3 levels of air flow: strong wind, medium wind, and weak wind. The included battery output is a USB connector (5 V output), so you can use it after connecting it to the fan as well as the included battery. Furthermore, this fan can support 7.4v output battery, which can provide more power

Water Repellent & 3D Circulation Ventilation: The work clothes vest is made of breathable polyester material with high UV protection and dries quickly even when you sweat. Upright neckline design enhances 3D ventilation effect and helps to create wind around the neck. Two fans are located on both sides of the waist, powerful wind force to generate air circulation inside the cooling vest, allowing you to quickly blow away the heat dissipated from the human body. It is highly resistant to wear and has been treated to be water repellent, so it is expected to reduce fatigue and reduce discomfort

Machine Washable & Heatstroke Prevention: This work clothes vest is perfect as a work wear for outdoors, gardening, warehouse work, farming, construction sites, transportation work, and more. This air-conditioning garment is machine washable, so please be sure to remove batteries, fans, cables, etc. before washing. Note: There may be slight differences in the size indicated here. The color of the actual product may differ depending on your monitor settings. Thank you for your understanding

Industry-leading 21 V high-power battery & lightweight, fast charging & excellent compatibility: Equipped with a large capacity 20,000 mAh battery that combines small size and high output. Equipped with an LCD display, you can check the remaining battery level and output voltage at a glance. In addition, it weighs approximately 11.8 oz (310 g), making it ideal for carrying unlike conventional batteries that are heavy and large in size. Comes with a dedicated rapid AC adapter, which can be fully charged in just 6 hours. It can charge some time even in a short period of time, so it is recommended for those who often use cool wear. Equipped with a unique multi-layer protection system, it does not inflate or ignite easily, so you can use it safely for a long time. It can also be used for air conditioning work clothes, but also for charging electronic products such as smartphones

USB Output/DC Output/Wide Compatibility: This air-conditioned mobile battery can work with both USB and DC output. Compared to normal power bank, the USB and DC dual output battery is more compatible, and it can charge a variety of devices such as all cell phones, tablets, AirPods, Bluetooth headphones, smartwatches and more

(20,000 mAh High Capacity Battery, Up to 11 Hours) Operating time is about 11 hours on 15 V drive, about 9 hours on 17 V drive, 7 hours on 19 V drive, 4 hours on 21 V drive, and it also prevents heat stroke hazards and lower work efficiency. It is useful in a variety of settings, including outdoor activities such as camping and picnics, farm work, transportation, fishing, touring, watching sports, and outdoor events

Set Contents & Quick Support: 21V Power Battery x 1, Type-C Connection Cable x 1. ※We inspect carefully before shipping, but if there is any defects in the product arrival, please contact us. We are responsible for exchanges, returns and sincerity. The size of the battery is approx. 4.5 x 2.8 x 1.1 inches (11.5 x 7 x 2.8 cm), and weighs approx. 12.8 oz (340 g), so it is lightweight, compact and lightweight, so you can easily An essential item to protect against power outages during earthquakes, water damage, and heavy snow

[About Contact] 1. Select "Order" from your order history. 2. Choose from the list that is close to the problems you are facing. 3. Select "Contact Seller". 4. Select a reason, enter a comment on the textpox. 5. Select Submit Note: The DC port of the product is compatible with 15/17/19/21 V fans. Please do not use it with other voltage fans. Long time use may damage the battery

(2025 New Product, 30 V Ultra High Output Fan Battery Set) 30 V Super High Output 40,000 mAh Ultra High Capacity Battery is Small, Stronger Air Flow and a Full Set of Fan and Battery for 2025 KLIFE Strongest Air Conditioning Work Clothes. The storm is more strong and creates an invigorating sensation. You can maximize the performance of your air conditioning workwear. When you press the button, a large amount of fresh air circulates through the clothes rapidly, drying the sweat in the clothes, releasing hot air and creating a pleasant sensation for overwhelming cooling. After wearing, the rapid air flow within the clothes quickly evaporates sweat on the skin and rapidly lowers the surface temperature of the body, making it a must-have item for outdoor workers

(Improved in storms of 4.6 gal (168 L) / s oversized air flow & brushless motor made in Japan) This fan battery set is a classic item of 2025 extreme heat that combines stable airflow and silence. ✔ Adopts a streamlined 3-blade ultra-thin fan body with aerodynamics to reduce wind resistance by 50%. In addition to switching between 15 V - 19 V - 24 V - 30 V, this product is not only able to switch between 4 levels of 15 V and 30 V maximum air flow mode compared to the same product, but it also provides a constant amount of wind to your clothes with a constant amount of air circulation, and lowers your body temperature. It is very useful when there is no air conditioner

(30 V High Power / 40,000 mAh Ultra High Capacity / Compact) Uses the same high-performance 21700 battery used by electric vehicles and has improved durability by 2.5 times as previous year. Comes with a dedicated rapid AC adapter for air conditioned clothing and can be charged in just 5 hours. 30 V (Eco Mode) Wind power is 8 hours, "24 V" wind power is 12 hours, "19 V" wind power is 15 hours, "15 V" wind power is 20 hours, and it greatly improves compared to conventional use. You can always feel a cool breeze even when you work for a long time. Each mode provides the optimum wind power according to your work content and temperature, and rapidly evaporates sweat and reduces inside temperature rapidly. Intuitive control allows you to instantly switch between airflow so you can be flexible enough to adapt to temperature changes during your work. This improves work efficiency and ensures long work in a comfortable environment. (*The above usage time is based on the number in a specific environment. Actual usage time may vary. )

(Full set of air conditioned work clothes battery, long lasting continuous operation): Set Includes: 2 x 30V air conditioning fans, 1 x 40,000 mAh dedicated battery, 1 x rapid charger, 1 x connecting cable, 1 x Japanese instruction manual (English language not guaranteed). Although it has a large capacity, it weighs approximately 11.8 oz (310 g), and it has a 25% smaller volume, and has greatly improved durability. Equipped with a high performance chip and many safety protection features such as overcharge protection, over-discharge protection, over-current protection, and short circuit protection. Equipped with a high quality lithium polymer battery that has acquired the Japan Electric Safety Act (PSE) certification so you can use it with confidence. Fully charged (red indicator light on the included rapid charger will light up blue. for up to 20 hours of continuous operation. A dedicated fan battery set that is perfect for working clothes with air conditioning function to prevent heatstroke in high temperature environments and to prevent heatstroke

High Interchangeable and Heatstroke Prevention Essentials: The diameter of the fan mount is 3.5 inches (9 cm). It is compatible with 99% of commercially available clothing, vests, short sleeves, and long sleeves, and is extremely compatible. Instantly blows away hot and humid heat for an overwhelming cooling sensation. Powerful 360° air flow, takes only 3 seconds to instantly reduce body temperature to -15 degrees Celsius for instant cooling. A heatstroke solution for workers who cannot use an air conditioner. It can be used in high temperature environments such as factories, forestry work, agriculture, construction work, welding work, etc. The KLIFE fan battery set allows you to "relax" work in high temperature environments and improve efficiency

Super Cool! Introducing a 42 V fan battery set. ) The soul of Japanese craftsmen continues to evolve. Japanese craftsmen innovate their technology with age and finally develop a 42V high-performance motor. This revolutionary cooling system has been greatly evolved from 30 V to 42 V. It achieves an amazing performance of 1.5 times the airflow and maximum wind speed of 219 L/s per second, and instantly lowers the temperature of your body and achieves the optimal lowering. After wearing, air circulation is accelerated by rapidly evaporating perspiration to reduce body surface temperature. This is a must have item for outdoor workers to improve work efficiency and safety at the same time in construction sites and outdoor work. ★ NEW DESIGN: Comes with a clip on the back of the battery, so you can put the battery on your waist, convenient to switch the voltage

Super Safe! Reliable PSE Mark, 40,500 mAh High Capacity Battery: Batteries and adapters are already approved by the Japan ECA and Industrial Administration and are equipped with a PTC and CIT dual chip, and features such as overheating protection, overload protection, short circuit protection, overcharge protection, and automatic recovery, so there is no risk of fire like other companies. Unlike last years, battery chip uses the latest results collaborately developed by domestic power companies, and the battery capacity has been greatly improved to 40,500 mAh. The durability is dependable according to the 6 months of laboratory load test. Automatic Mode: Approx. 9 hours, 42 V wind power is approx. 5 hours, 38 V wind power is approx. 6 hours, 34 V wind power is approx. 7.5 hours, 30 V wind power is approx. 10 hours, 26 V wind power is approx. 13 hours, 22 V wind power is approx. 21.5 hours, and 20 V wind has been significantly improved compared to previous use. ! The dedicated adapter takes about 5 hours and can be turned to 100% of the battery. The data above is tested at a room temperature of 77°F (25°C). There may be slight differences depending on the battery usage time and charging time

Super Powerful! Japanese Brushless Motor: In order to achieve both air volume and noise reduction, the Japanese design team uses high-precision Japanese brushless motor, and has a double ball bearing structure on the inside and has a 60% increase in air volume and 5% dB reduction compared to conventional model fan battery sets. It achieves an ultra-long life of 20,000 hours while maintaining silent enough conversation even when operating at 42V maximum airflow. The fan blades are serrated design to increase airflow and increase airflow When it comes to storing the fans, the front cover of the fan is removable, convenient to clean the fan blades, just wipe it with a wet wipe

(Equipped with 2 Modes / 7 Adjustable Intensity) This high-performance battery is equipped with automatic molding and fixing modes. Automatic Mode: After turning on the first time, the 42V air flow will automatically enter the automatic mode, after 0.5 hours, the 38 V air flow will automatically switch to 34 V air flow after 1 hour. The 34 V air flow will automatically switch to 30 V air flow after 1 hour. After turning off the power, turn it on again and it will enter auto mode again. Fixed Mode: After turning on the first time, press the power button once to enter the fixed mode, and the air volume will not automatically change. Every time you press the power button, it will change between 42V 38V 34V 30V 26V 22V 20V 42V Please refer to the description for detailed instructions

(Great for a Variety of Occasions & Quick Support) Ideal for use in warehouses, construction sites, outdoors, farm work, transportation, construction industries, gardening, delivery, event staff, and sunlight fishing, as a vest for the spring and summer seasons. Work Clothes Diameter: 3.5 inches (9 cm), Battery Size: 2.7 x 5.0 x 1.5 inches (6.9 x 12.7 x 3.7 Set Includes: 2 x fans, 1 x 42V battery, 1 x AC adapter, 1 x connecting cable, 1 x power bank instruction manual, 1 x fan manual (English language not guaranteed). We guarantee the product within 6 months of initial defects upon arrival or after use. Contact seller or after-mail and we will reply you within 18 hours. Please note that there may be a lot of emails and may be overlooked, but if there is no reply over 24 hours, please resend it for your understanding

[Product Details] Includes 4 dust covers, compatible with all air conditioning fans of 3.5 inches (9 cm) in diameter. A set of 4 dustproof covers to prevent dust and dirt from sticking. Includes 4 air conditioned work clothes and fan covers. Recommended for use in dusty environments. Set of 4 Air Conditioned Work Clothes, Fan Cover, Polyester, Washable, Dustproof Cover, Fan Protective Net, Stretchable, Air Conditioning Work Clothes, Compatible, Long Lasting, Dustproof Filter for Air Conditioning Work Clothes

(Excellent Material) The material is a blend of cotton and nylon. The mesh is highly elastic and does not interfere with ventilation. Fan cover, air conditioned workwear, fan dustproof cover, 4 pieces included, dustproof cover is made of polyester material. They are stretchy, tear resistant and last longer than non-woven fabrics. Fan Cover Air Conditioning Workwear Fan Dustproof Cover Air Conditioning Fan Filter Protective Net Set of 4

Dustproof Cover: This dustproof filter for air conditioned work clothes is effective in preventing foreign objects and so on. It includes 4 fan covers. For work clothes by attaching the cover to the air conditioning fan to prevent dust, lint, twigs, and leaves from entering the interior of your clothes, and it also protects the fan itself, so you can rest assured that even for fans that cannot disassemble and clean. 4 fan covers for work clothes

(Washable) When it gets dirty, it can be washed so you can use it cleanly, and it is also washable, so you can always keep it clean. Air conditioned workwear fan dustproof cover 4 pieces included, so you can use it repeatedly, so you can rest assured that it is economical. Not only is it dustproof, it also greatly reduces the sound of the fan. Air Conditioning Workwear Fan, Dustproof Cover, Air Conditioning Fan, Filter, Protective Net, 2 Piece Set, Compatible with 9cm Fans, Compatible

Wide range of uses: Protects the fan and human body from dust on the site. A set of 4 fan covers, air conditioning work clothes, and is essential for work where dust or dust is occurring during demolition work, garbage collection, farm work, woodworking, etc. Fan Cover, Air Conditioning Work Clothes, Set of 4, Dustproof Cover, Air Conditioning Fan, Filter, Protective Net, Dust, Dirt Prevention, Compatible with 9 cm Fans, Compatible with Polyester, Heatstroke Prevention

(2025 Industry Super Strong 42V Ultra High Output Fan Battery Set) 2025 Latest Product! 40 V high output, maximum 208 L/S fan battery set with air flow fan. Suitable for use with 99% of fan work clothes in the market. The air conditioning work clothes fan is equipped with 5 streamlined large area blades that use aerodynamics to reduce wind resistance by 35%, and the wind is centered at the center of the wind, and it creates a powerful wind. 40,500 mAh high capacity dedicated battery that can be used continuously throughout the day. A spare fan set with a professional fan. Recommended for those seeking storms, high efficiency, and long life span

(Great for a Variety of Occasions & Quick Support) Ideal for use in warehouses, construction sites, outdoors, farm work, transportation, construction industries, gardening, delivery, event staff, and sunlight fishing, as a vest for the spring and summer seasons. Work Clothes Diameter: 3.5 inches (9 cm), Battery Size: 2.7 x 5.0 x 1.5 inches (6.9 x 12.7 x 3.7 Set Includes: 2 x fans, 1 x 42V battery, 1 x AC adapter, 1 x connecting cable, 1 x power bank instruction manual, 1 x fan manual (English language not guaranteed)

(Equipped with 2 Modes / 7 Adjustable Intensity) This high-performance battery is equipped with automatic molding and fixing modes. Automatic Mode: After turning on the first time, the 42V air flow will automatically enter the automatic mode, after 0.5 hours, the 38 V air flow will automatically switch to 34 V air flow after 1 hour. The 34 V air flow will automatically switch to 30 V air flow after 1 hour. After turning off the power, turn it on again and it will enter auto mode again. Fixed Mode: After turning on the first time, press the power button once to enter the fixed mode, and the air volume will not automatically change. Every time you press the power button, it will change between 42V 38V 34V 30V 26V 22V 20V 42V

Maximum 42V Output Fan Battery Set: Introducing the latest model in the summer of 2025. This fan battery set delivers high output up to 42V. By wearing it on the air conditioner vest, it allows outside air to circulate a large amount of air, accelerate the evaporation of sweat and effectively lower body temperature. Reduces discomfort caused by excessive sweat. Enjoy the cool breeze for long periods of time even in the hot summer! This product is compatible with air conditioning vests with a fan hole diameter of 3.5 inches (9 cm). It can be used with other air conditioning work clothes on the market. Please make sure you do not mind before

(5 V - 42 V Stepless Adjustment & Wind Power Multiply) This is a new high performance storm fan equipped with the latest 2025 model. The newly developed high-performance fan uses a high quality all-copper core brushless motor for superior energy saving. Compared to previous models, the air volume has been improved and the noise has been reduced. 5-blade fan with ABS material provides a stable and cool breeze It can accelerate evaporation of sweat and effectively lower body temperature. The wind strength can be freely adjusted from 5 V to 42 V. You can easily adjust the air flow according to the situation and situation

(24,000 mAh High Capacity Battery, Belt Hook Design & PSE Certified) Uses lithium polymer batteries for high stability and safety. The battery is equipped with an LED LCD display, so you can check the airflow and battery level at a glance. 12.5 hours of continuous use with output voltage of 20 V. In addition, the new belt hook design makes it easy to attach to your waist belt when using. Effectively reduce the burden on your work clothes and provide comfortable and convenient use. It also has a USB output port so you can quickly charge your smartphone and other electronic devices, so it can be used in a variety of situations. PSE certified, meets strict safety standards. It has multiple protection features such as short circuit protection, overcurrent protection, overcharge protection, and over-discharge protection, so it is also very safe. Designed for reliability and quality, you can use it with confidence

Easy Installation & Suitable for Various Occasions: 1. Turn the screw ring from the fan and remove it. 2. Put the fan through the outside of the vest and insert the ring while turning it to fit the fan. 3. Connect the fan and battery with the cable. Easy to install in just 3 steps! The Japanese instruction manual includes images and detailed instructions so even beginners can start using it immediately. Ideal for the hot summer this item is useful for heatstroke protection for people who work in environments where air conditioning is not available for construction sites, indoor work, outdoor work, farm work, etc. You can stay comfortable even in high temperature environments and help improve your work efficiency. In addition, it can be used in a variety of situations, such as fishing, outdoor activities, and mountain climbing

Set Contents: Fan x 2, battery x 1, fan to battery cable x 1, DC charger x 1. This product is a main component of electrical components, so when washing work clothing, please be sure to remove electrical components such as batteries, fans, cables, etc. If you have any questions or defects about the product, please feel free to contact us!

(Reusable Cooling Vest) Water Cooling Vest Size: Approx. 16.1 x 24.4 inches (41 x 62 cm). Cool Vest uses 100% biodegradable PVA material with zero chemicals and no risk of allergic reactions. No cooler, no need for a cooling fan; no ice packs; this vest is heatstroke prevention. Soak in tap water for about 3-5 minutes and allow it to be used after absorbing sufficient water Eco-friendly and durable design that can be reused over and over again. Eliminates waste of disposable coolants and zero waste A new heat stroke vest developed for summer construction sites and construction worksites

(100% Biodegradable PVA Material) The cooling clothing uses a medical grade polyvinyl alcohol (PVA) and has a multi-layer structure that does not leak water (3 layers of water absorption, insulation layer, and evaporative layer). The breathability and water absorption is 40% higher than conventional cotton. Non-toxic, harmless, and naturally biodegradable. Once the life of the product is finished, cut it into a plant pot, fill it in a flower pot, and convert it to plant nutrients after 3 weeks

Lightweight & Easy to Move: With an ultra-lightweight 10.6 oz (300 g), the latest version of the vest has a rounded neck for easy working. The vest comes with a small pocket and a Velcro strap (You can freely adjust the waist with a velcro strap, making it easy to wear for children, adults, and elderly. The breathable material is not hot and humid, making it suitable for outdoor sports, commuting to work or home

Physical Cooling & Keeps Cold for 10 Hours: The cooling work clothing that prevents heat from rising up in the summer is easy to use when you absorb water, and the physical temperature is very convenient. No need for electricity or complicated operation. Just soak the vest in water for 5 minutes, and after inhaled water, it can continue to lower the temperature by the principle of physical evaporation. It can keep you cool for up to 10 hours or outdoors for 6 to 8 hours

(Usage & Useful in Various Occasions) This cooling work clothes cool vest is easy to use in 3 steps. 1. Soak the vest in water for 3 to 5 minutes. 2. Gently squeeze it to prevent water dropping. 3. Put the vest on your head and stop the Velcro on both sides. As a summer heat prevention, power outages, and cooling goods, it can also be used for indoor activities as well as outdoor activities such as mountain climbing, festivals, sports events, watching sports, construction sites, farm work, warehouse work, security, etc

(Heatstroke Prevention Cooling Vest & Caution) This cooling vest is a popular product for combating intense heat. Recommended for outdoor work, sites that do not have air conditioning equipment, sports events, sporting events, security, event staff, etc. Note: Machine wash and dry cannot be used. When dry it will shrink and harden, so please use it after absorbing water sufficiently when reuse