Specification :

Item No.: HY-398

Hands Free Headset with boom mic is a great solution for any cell phone and cordless phone user. This hands free device is completely adjustable providing you with maximum comfort and security while using your phone. Simply plug this device into the headset jack of your phone and begin enjoying hassle free conversation.

Specifications:
MICROPHONE:
-Dimensions: 6.0 X 5.0 mm
-Rrequency range: 20Hz - 16kHz
-Sensitivity: -58dB±2dB
-Standard voltage: 3V
HEADPHONE
-Dimensions: 27mm
-Frequency: 50Hz - 16kHz
-Qutput sensitivity: 105±3dB
-Impedance: 32 Ohm ±10%
-Max. imput power: 20mW