Industrial Use: For hearing protection in noise workplaces
General Use: For focusing on studying, reading, and reducing stress-causing everyday noise
Noise Reduction Rating (NRR): 31dB
Weight: 12.4 oz (351g)
Cup thickness: 3.2 inches (81 mm)
Band expansion width: 1.4 inches (35 mm) (both left and right)
Standards: ANSI S3.19-1974 Compliant
Materials: Headband: Stainless steel, thermoplastic, polyester, polypropylene, polyacetal resin, Cup: ABS resin, thermoplastic resin, Insert: Polyurethane, Ear pads: Polyurethane, Vinyl chloride, ABS resin
Size and weight are a reference value and are not the guaranteed.