Hearing Protection - Alpha ElectronicManufacture ID: 110041Alpha Electronic hearing ProtectionFeatures:- Folding compact design- Padded headband - LED "ON" indicator light - Audio input jack plays your MP3 music- Adjustable cushioned ear cups - Amplifies low level sounds - Compresses High Db noises Specifications: - ANSI S3.19-1974 Rated - NRR 23 noise reduction- Uses 2 "AAA" batteries(Included)