ITEM NAME:USB External Sound Card Audio Adapter with 3.5mm Microphone /Headphone Jacks Description: - Material: aluminum alloy - Channel: 7.1 channel - Compatible with WIN2000/WINXP/7/8/WIN3003, no need to install drivers - Small size and easy to carry - Compatible with USB2.0 pure digital audio output, virtual 7.1 channel processing capability - Audio support DirectSound 3D, EAX 3.0, Dolby Digital AC-3 decoding Package Included: 1Pcs USB2.0 Sound Card.Channel: 7.1 channel. - Audio support DirectSound 3D, EAX 3.0, Dolby Digital AC-3 decoding. 1Pcs USB2.0 Sound Card. - Compatible with WIN2000/WINXP/7/8/WIN3003, no need to install drivers. People always bought together with.