The Shotwave Low Profile Emuff meets ANSI S3.19 and CE EN352. The built in directional microphones amplify range commands while bringing loud muzzle breaks to a level lower than 82 DB. The low profile and adjustable headband allow for a custom fit and firearm stock clearance. A compact folding design allows for convenient storage. Includes aux input and cord for MP3 player and scanners. Operates on 2 AAA batteries (not included)