Brand new and high quality.
Compliant with USB 2.0 full-speed (12Mbps) specification
Compliant with USB audio device class specification 1.0
Compliant with USB HID class specification 1.1
USB bus-powered mode, no external power required
LED indicators: microphone-Mute states, activity
Include xear 3D, the virtual 7.1 channel sound effect
Driverless-No driver required for windows 98SE/ME/2000/XP/Server 2003/Vista/Windows7.Linux,Macos
* 1 x USB sound adapter 7.1 channel
NO Retail Box. Packed Safely in Bubble Bag.