Speaker:

* Driver unlt :40mm Dynamic type

* Impedance :32ohms

* Sensitlvity :100+-4dB

* Frequency :20Hz~20KHz

* Maximum input :100mW

* Connector :USB series A plug

* Microphone :Condenser type

* Polar Pattem :Omni-directional

* Volume Contro(optional) :Yes

MIC:

* Output impedance :2K ohms

* Sensitivity :-58+-3dB -38+-3dB(OdB=1V/Paat 1KHz)

* Frequency :50 Hz~ 16KHz

* Cord length :2M+/-3%

* Easy USB connection.

* Clear Audio and Noise-Canceling Microphone :Advanced speaker delivers Crystal-clear audio.

* Control Box :Includes an In-line volume control ,easily adjust volume to find the perfect sound level.

* Ear Cup :Comfortable and durable ear cushion ,listen and play for hours in total comfort.

* Flexible Headband :You'll get the superior comfort as the headband and is adjustable,it is easy to find the best fit.

* Textile cable more durability-