Feature:
PU high quality wire, better than similar PVC wire, not easy to aging, durable.
3.5mm with threaded plug and waterproof silicone gasket.
G shape earphone, supporting left or right ear wear.
Specification:
Microphone:
Ambient noise of Microphone: 36 DB (maximum)
Reference working voltage of microphone: 3V DC
Microphone current consumption: 0.5mA (maximum)
Voltage range of middlehead: 1~10V DC
Microphone impedance: 2.2 ohms (maximum)
Microphone sensitivity: 60 dB +- 2 dB
Horn:
Horn Impedance: 150 +15% Ohm
Horn sensitivity: 130dB
Horn frequency range: 20-20KHz
Effective test range frequency of horn: 30-5000hz
Horn distortion: less than 5%
Horn rated power: 10 mW
Horn maximum power: 15mW
Horn Abnormal Sound: 0.5V (50Hz-5KHz) No Abnormal Sound
Applicable models (including but not limited to...)
For Yesu vx-7r
For VX-6E, VX-6R, VX-7E, VX-7R
For vx-120, vx-127, vx-170, vx-177
Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.

Included:
1 X 3.5mm PPT Earpiece Headset