Radians R-3700 Bluetooth Quad Mic is an electronic sound amplification earmuff featuring Bluetooth wireless technology. 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. Works wirelessly with most smart devices.

Features:Amplifies environmental sounds for enchanced hearing;Four microphones;Bluetooth connectivity compatible with most smart devices;3.5 mm sterio input jack and patch cable (included) enable playback;NRR 24 dB