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/Vis ta/Windows7.Linux,Ma cos