The USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with desktop or notebook systems. No drivers required,just plut and play for instant audio playback,also compatible with all major operation systems.

Specification
Complaint with USB 2.0 Full-speed(12Mbps) specification
Compliant with USB Audio Device Class specification 1.0
Complaint with USB HID Class Specification 1.1
USB bus-powered mode,no external power required
Connectors:USB Type-A,Stereo output jack,Mono microphone-input jack
Function keys:Microphone-Mute,speaker-mute,volume-up,volume-down
LED indicatiors:Microphone-Mute Status,activity
Driverless-No driver required for Windows 98SE/ME/2000/XP/Server 2003/Vista,Linux,MacOS