USB SOUND CARD: This External Sound Card audio through a single USB port to your computer; This sound card using 3.5mm jacks, a headphone port, line-in and stereo microphone inputs UPGRADE YOUR PC SOUND: With support for analog and digital audio output for stereo to audio applications, the bus-powered audio to USB adapter upgrades the existing integrated audio on a desktop or laptop computer; QUALITY AUDIO: Supports 44.1KHz and 48KHz sampling rates for analog playback and recording; Digital output only supports 48KHz audio playback; optical input passthrough supports up to two-channel audio at 48KHz EASY INSTALLATION: The digital audio adapter is easy to install with plug and play The external sound card features easy-to-use volume controls and mute buttons; The audio outputs are selectable via the included software Colour:Black Material:plastic Package Contents: 1X USB Audio Interface Sound Card 1X Connecting line 1X English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.