Description: This USB sound card offers a quality solution for upgrading your PC or laptop audio. Built in high-end chip, with sound mixing function, this sound card is suitable for laptops, desktop, computers or the machine with USB port. Features: 1.USB spec 2.0 full speed compliant. 2.USB audio device class spec. 1.0 and USB class spec. 1.1 compliant. 3.Supporting the Plug and Play features hot-swap, it is easy to use. 4.In digital playback mode, it receives audio stream form PC via USB interface and transmits audio data according to the AES\EBU, IEC60958, S\PDIF cnsumer interface standards. 5.In analog playback mode, it supports 6 channels codec for analog playback In digital recording mode, it receives S\PDIF digital audio input and sends back to PC through USB. 6.Support 48/44 KHz sampling rate for both playback and recording. Specifications: Inputs: SPDIF in, Line in, Mic in. Outputs: SPDIF out, Front out, Rear out, Cen/Bass out. Size: Approx. 8.8 x 6 x 2cm / 3.46 x 2.36 x 0.79inch Color: Black Support Plug and Play Compatible With: Support for win98 / 2000 / Vista / Win7/ OS X OS9.1 Attention: Size may be slight inaccuracy due to different batches of the products, or hand measurement. Color may be little different due to monitors. Please take real product as standard, thanks for your understanding! Package included: 1 x USB 5.1 Audio Sound Card 1 x CD Driver 1 x USB Cable .