Acoustic Earphone and Throat Activated Microphone for Two Way Radio Earphone (walkie talkie)
Providing private, discreet communication
With a convenient and larger PTT and a small PTT which can be activated easily with soft rubber botton.
Attaches against user's throat, picking up audio directly from vocal cord vibrations which blocks background noise prefectly
Suitable for hunting, fishing, moto-riding fire service, steeplejack

Microphone sensitivity: -65± 2dB
Impedance: 2.2K¦¸
Speaker Sound pressure level: 102± 3dB
Impedance: 32¦¸± 15%
Audio output: 30mW