Air tube Microphone for Two-Way Radio.
1.Acoustic tube ear/microphone for two-way ..
2.Talk and listen without holding the radio. VOX/PTT switch.
3.High-quality transparent acoustic earphone made of durable,surgical grade tubing for great comfort and a low-profile cook.
4.Clear sound performance.
5.The unite provides and discreet communication.
6.Available for Icom,standard,Yaesu,Motorola, transceivers and other brands.

Speaker:
Speaker size:13mm
Sound pressure level:96dB±3dB
Impedance:32 Ω ±15%
Audio output:30mW

Microphone:
Microphone size:6.0*5.2mm
Frequency response:20-16000Hz
Sensitivity:-36dB±2dB
Impedance:2.2K Ω