Compact and transparent USB 3D Sound Controller 5.1 for an optimal surround sound for a notebook or desktop. With Plug & Play feature and 3.5 mm connection. • USB 2.0/1.1/1.0 compliant • Auto driver installation, Plug & Play USB device • Drive two channels speakers directly • Support 3D positional sound and virtual 5.1 channel soundtrack • Digital class B power amplifier inside • LED status indicator • Works with Windows® 7 / Vista / Xp / 2000 / Me / 98SE • Size: 51.5 x 23.0 x 12.6 mm • Weight: 8 g • 3.5 mm connection