NAMEO 3D USB 2.0 Virtual 7.1 Channel Audio Sound Card Adapter with Cable for Laptop PC Notebook (White) 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. 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.