Features:

Complaint with USB2.0 Full -speed ( 12 Mbps ) specification
Compliant with USB Audio Device Class Specification1.0
Compliant with USB HI D Class Specification1.1
USB bus - Powered mode . no external power required
Connectors : USB Type - A， Stereo output jack， Mono microphone- input jack
Driverless - No driver required for Windows 98SE / ME / 2000 / XP / Server 2003 / Vista . Linux . Mac05

Package includes(with opp bag): 

1  X USB 2.0 Virtual 7.1 Channel Sound Card Double Adapter 

Image Description: