Technuv 8.1 Channel Sound Card USB Adapter(Black)

Multi-channel technology, strongly 8.1 channel dynamic sound. Headphone amplifier for computer enhance bass and high pitch Work as an audio source output 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 Connectors: USB type-A, Stereo output jack. Mono microphone -input jack Functional keys: Microphone-Mute, speaker -Mute, Volume-Up, Volume-Down, former-song, next-song and stop/start Include Xear 3D , the virtual 8.1 channel Sound simulation software for Windows XP/Vista/7 No driver required for Windows XP/Vista/7