Type Open Air Dynamic Type (15mm) 

Sound Pressure Sensitivity 105+-3dB (1000Hz/mw)  

Microphone Sensitivity  -62+- 3dB Frequency Response 100Hz~8KHz 

Impedance 32a?| +- 10%(Dc) 

Rate Input 2mW 

Max Input  10mW 

Plug Size: 2.5mm plug /other mobile phone connector

Cord Length  1.2m +- 50mm

Features >>  

1.   Extraordinary high performance 6um super-thin Mylar driver offers a full-range sound that is perfect for human speech. 

2.   Super sensitive microphone delivers high quality speech

3.   In-line microphone design and convenient in-line  on/off/mute switch control.

4.   Ear bud design, comfort for long sessions chatting.

5.   Compatible with most 2.5mm plug cell phones.