Product Line: Ear Hook Hands Free
Product Name: EH-53 Ear Boom Headset
Specifications:
SPEAKER:
Frequency Response:20~20000Hz.
Sensitivity: 105+/-3dB.
Impedance:32(ohm)+/-15% at 1kHz.
Max Input:10mw
MICROPHONE:
Frequency Response:50~20000Hz.
Sensitivity:-58+/-2dB F=1kHz P=1Pa
Rated:DC4.5V
Min Operation Voltage:DC1.0V Description:
Adjustable boom microphone.
Character:
Provides quality, clear communication. | 
