Radians R-3700 Bluetooth Quad Mic Electronic Earmuff Pewter/Black

Radians R-3700 Bluetooth Quad Mic is an electronic sound amplification earmuff featuring BluetoothA(R) 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: Electronic compression to protect hearingAmplifies environmental sounds for enhanced hearingFour microphonesBluetooth connectivity compatible with most smart devicesLED On / Off indicator lightAdjustable headband folds for compact storage3.5mm stereo input jack and patch cable (included) enable playback from smartphone or digital audio playerNRR 24 dB(2) two AAA batteries required