Radians R-3400 Quad Mic is an electronic sound amplification earmuff. Four independent microphones provide a full surround sound experience that amplifies low sound level noises while compressing sounds that exceed safe levels. Compact folding feature for easy storage. 3.5 mm stereo input jack and patch cable works with most smart devices. Two AAA batteries required.
Amplifies environmental sounds for enchanced hearing
LED On/Off indicator
3.5 mm sterio input jack and patch cable (included) enable playback
NRR 24 dB