Technical Data:
MICROPHONE:
Impedance : <2.2k
Sensitivity: -40dB±5dB. at 1Khz.

SPEAKER:
Type: Vibration speaker.
Impedance: 8 ohm±1%at 1KHz.
Level: 103dB±5dB at 1KHz
Rated power: 0.5 W.

Earphone with VOX/ PTT function
1. New structure volume control design, more convenience to operate.
2. Use Bone conduction type SPK, release your ears, so you can listen and check around environment. Even in Noise condition you can hear clear sound also.
3. VOX performance can be realized in terrible environment.
4. PU cable with Kavlar more firm and strong.
5. Using for industrial, Police, Taxi ect Max Power: 1 W.