Features:

Air duct design principle， is to prevent electromagnetic radiation.

Sound through the air duct， filter out the voice of the volume which is too strong and endanger human body health.

So this one is no like other headphone wiht so loud sound. Long time wearing more comfortable， ear won\'t pain， and not easy to fall off.

 

Speaker

Size: 15mm

Sensitivity: 102dB ± 2dB @ 1Kz

Impedance: 32Ω

Power: 5mW

 

Connector:

Life time:12000times(put in an take out)

According to radio models，different connector available

 

Mic:

Dimension:6.0 x 2.7 mm

Sensitivity: -38db

Impedance: 2.2K

Ralated current: 100mAh

 

Matching walkie-talkie type:

for Kenwood TH272G/372G，TK3130ProTalk

Series，TK313Free Talk series，

TK220/320/240/208/360/370…etc

 

Package Contents:
   1 x Headsert Earphone