Features:
1. Throat control microphone.
2. Large and round waterproof PTT.
3. PU cable with ROHS.
4. Attaches against user¡¯s throat,picking up audio di rectly from vocal cord vibrations which blocks background noise per fectly.
Speaker
Size: 12mm
Impedance: 20¦¸¡À15% at 1000Hz
Sound Pressure Level: 84dB¡À3dB at 1000Hz
Microphone
Size: 9.7*5.0mm
Frequency response: 20-16000Hz
Sensitivity: -40dB¡À2dB
Impedance: 2.2K¦¸