1) composed of a wireless receiver, a wireless induction coil and a remote control cable.
2) Comfortable and covert  mini receiver can be worn in ear for covertness.
3) Wireless neck loop can be worn behind cloth for covertness.
4) Detachable neck loop for personal safety.
5) Auto noise rejection.
6) Easy and secure communication.
7) Volume adjustable, and VOX realizable.
8) Long standby time up to 90 hours.

Speaker Specifications:
Sensitivity: 112±3dB(Single part) ;
Rated Power: 10mW   Max. Power: 30mW ;
Distortion (typical): <5% @ 1KHz ;
Speaker Impedance: 32Ω±15% @ 1KHZ ;

Microphone Specifications:
Sensitivity: -42±3dB@1kHz 3.0V 2.2KΩ, 0dB=1V/pa ;

Operating Temperature: -20℃~60℃