Let computer back to amazing vocal world. VENTION USB External Sound Card is a great companion of computer game. Features:Driver-free. Compatible with all OS. Plug and play. USB connection avoids losses of signal.Professional sound adjustment. Applicable for different games. Clear sound effect and strong bass sound let game have more fun.Support 2.1 sound track and give you extraordinary experience.It supports both international and American standard earphone.Specification:Color: BlackInterface type: USB male; 3.5mm femaleSoundtrack: 2.1 soundtrackShell material: Aluminium alloyItem size: 5.4 * 2.1 * 1.1cm / 1.57 * 0.83 * 0.43in(L * W * H)Item weight: Approx.55g / 1.94ozPackage size: 10 * 10 * 4cm / 3.94 * 3.94 * 1.57in(L * W * H)Package weight: 60g / 2.12ozPackage list:1 * USB External Sound Card a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a