详细规格及用途描述

Earphone:
Frequency Response:20Hz-20KHz
Driv ,Unit: ∮15mm
Sensitivity: 117+-3dB

Microphone:
Frequency Range 50-16kHZ
Sensitivity -58dB+- 2dB
Cable length:1.2M/1.8M/2.5M
Applications: MP3, CD, Desk & Laptop, PC and other audio devices