Good Headset Earphone for Two-Way Radio

Product description: Headset with PTT / VOX Switch
Key specification/special features:
Two-way radio headset
Available for any two-way radio transceiver
Comfortable wearing and fitting
VOX box with both VOX and PTT functions

Microphone:
Microphone size: 6.0*5.2mm
Sensitivity: -38dB± 2dB
Impedance: 2.2K ohms

Speaker:
Speaker size: 15mm
Sound pressure level: 83dB ± 3dB
Impedance: 32 ohms ± 15%
Audio output: 30mW