Electronic Ear Defenders Noise Reduction Hunting Earmuffs Protect Features: Built-in directional microphones amplify range commands and other ambient sounds to a safe 82 dB, providing more natural listening and enhanced communication. Features low profile earcups for firearm stock clearance; adjustable headband for secure fit; compact folding design for convenient storage. It offers the ultimate in safety and ear protection. The safety is delivered through distortion-free amplification (up to a safe 82 dB) of important low level sounds like range commands and conversation. The protection comes from instant blocking of any noise above 82 dB. Designed for use at the range or in the field, this earmuff also features low profile earcups that won't interfere with when aiming. The headband is padded for comfort, and telescopes to ensure a secure, custom fit. An external audio jack lets the earmuff do double duty as stereo headphones when connected to an MP3 player or other audio source. Descriptions: Comfortable and adjustable headband. Noise reduction, protecting your hearing. This allows you to hear important commands on the range and crucial environment sounds when hunting. Specifications: Material: ABS Folding size: 124*101*96mm Color: Black, Green Package: 1 x Headset 1 x Charging Cable 1 x User Manual Note: 1. Please note that it requires 2 AAA batteries, which are NOT included. 2. Please allow slight error due to manual measurement. Thanks for your kind understanding.