Gas mask special bone conduction earphone 73

73 gas mask special bone conduction headset is special designed for gas mask,it can use with matching mask in one.

Nice appearance and reliable performance.

Put the microphone in the head and set the loudspeaker in the unilateral or bilateralof mask, the voice will be extracted through the skull vibration and good for listening.

This product can be compatible with all Huari PTT.