2PCS 5HV2 7.1 External USB Sound Card USB To 3D Audio Adapter for Headphone Speaker Laptop PC

Features
Complaint with USB 2.0 fULL-Speed (12Mbps) Specification
Complaint with USB audio device class specification 1.0; Complaint with USB HID class specification 1.1
USB bus-powered mode,no external power required
Functional keys:Mircrophone-Mute,Speaker-Mute,Volume-Up,Volume-Down
Driverless no driver required for Windows 98SE/ME/2000/XP/Server/2003/Vista,Linux
Description
The USB Virtual 7.1 channel sound adapter is a highly flexible audio interface which can be used either with desktop notebook systems.Bundled with Xear 3D sound simulation software,it turns your stereo speaker or earphones into 7.1 channel environment.
No drivers requires,just plug and play for instant audio playback,also compatible with all major operation systems.
Connectors:USB Type-A,stereo output jack,mono microphone input jack.
Include Xear 3D,the Virtual 7.1 channel sound simulation software for Windows XP/Vista.
System requirement:
1.Desktop or notebook PC with a USB port.
2.Windows 98SE/ME/2000/XP/Server/2003/Vista,Linux
3.Xear 3D (Virtual 7.1 channel sound simulation software) for Windows XP/Vista.
4.Stereo active speaker or stereo earphone. 
Package include
2 x 5H V2 7.1 External USB Sound Card