Feature: 1. Plug and play. No drive needed. USB connectivity with 3.5mm port. No external power required. 2. Widely compatible with Windows XP/Vista/10/8/7, Mac OS, Linux. Can be applied to laptop or PC with USB port. 3. Aluminium alloy case is more durable in use and provide you with long service time. 4. Humanized design with function buttons. 5. Hi-Fi stereo sound quality. Immerse in music. 6. Light weight and portable. You can take wherever you go. 7. Hi-Fi stereo sound quality. Immerse in music. Light weight and portable. You can take wherever you go. Specification: The external sound card extend a microphone or an audio ports to your computer. Replace your damaged sound card of your computer. Features: Plug and play. No drive needed. USB connectivity with 3.5mm port. No external power required. Widely compatible with Windows XP/Vista/10/8/7, Mac OS, Linux. Can be applied to laptop or PC with USB port. Aluminium alloy case is more durable in use and provide you with long service time. Humanized design with function buttons. Hi-Fi stereo sound quality. Immerse in music. Light weight and portable. You can take wherever you go. Specification: Item size: 5 * 1.3 * 0.7cm / 1.97 * 0.51 * 0.28in(L * W * H) Item weight: Approx. 9g / 0.32oz Package size: 13.1 * 7.3 * 2cm / 5.16 * 2.87 * 0.79in(L * W * H) Package weight: 23g / 0.81oz Package list: 1 * USB to Jack 3.5mm External Sound Card Package List: 1 * USB to Jack 3.5mm External Sound Card