Model:WHP-630
Features:

>Folded headphone,entry level
>Impedance:  32 Ohm +/-15% 
>Sensitivity:103dB+/-5dB  at 1KHz
>Excellent sound quality
>Speaker:40MM    
>Plug Type :3.5mm Stereo 
>Length of Cable: About 1.5m

Packing Details:
*Product size: ?*?*?mm
* Carton box size: 495*325*425mm
* N.W.: 8.8kg; G.W.: 9.4kg
* Packing: 100pcs/carton
* 1*20ft Container:68500 pcs