Stereo USB Headset MHP-108U, supports PC and USB device. 40mm driver, high sensitivity speaker and microphone, surround sound. With adjustable headband, USB in-line control, speaker volume +/-and mute,  microphone mute.

 

Features:

Hi-Fidelity Digital Conversation.
Perfect Noise Cancellation
Makes Communication same as aspectant effect
Plug-and-play, supports Hot Swapping.
Mic mute, Speaker mute & volume +/-.
Works under Windows 98/Me/2000/XP/Vista/7/Mac/Linux.

Spec:

Speaker dia: 40mm
Microphone response: 20-20K
Speaker Impedance: 32ohm
Speaker Sensitivity: 105dB
Speaker Frequency Response: 20-20KHz
Maximun Power Input: 100mw
Cord Length: 2.2 meters