* Interface:USB Cable for audio & microphone
* Headset type: Dual ( the model offered must include ),Sound: 锟3.5mm stereo plug
* Volume Adjustment:Yes(manual)
* Headphone Form Factor:Headband headset (supraural) ,Type: Flexible
* Earpads: Yes
* Microphone:Sound blocking,
* Compatibility:Windows 7, 8 & 10
* Parameters x Frequency Response:Audio: 20 Khz; Microphone: 10 Khz
Microphone: 9x7mm-58dB±3dB,
Driver unit: 锟50mm,
Impedance: 32ohm,
Sensitivity:105dB/Hz,
Frequency response: 20-20khz,
* Cable length: 1.8-2.0 meters
* The microphone integrated unidirectional or omnidirectional not detachable
* Headset must be sound-blocking.
* Adjustable & padded earpads
* Quality warranty: 2years
Packing :60pcs/ctn
Carton size: 72*43*53CM/0.164CBM
20GP:10200pcs
40GP:23800pcs
40HQ:27900pcs
This quotation have not included package cost, if gift box with opened window package, its cost will be USD0.37