Color Silver Brand N/A Quantity 1 Set Material ABS Interface 3.5mm Output Interface 3.5mm Audio Sample Rate 24-bit Digital Audio 24-bit SNR 110dB Channels 7.1 Supports System Win xpWin vistaOthers Other Features Supports USB 1.1 and USB 2.0; Analog input stereo output; Analog output: RCA stereo headset; Codecs: WM8740 Wolfson; LPF OPAMP: TI LM4562 x 1; Main OPAMP: TI LM4562 x 1; Digital output:: S / PDIF; Sampling rate: 24 bit / 192kHz (Max.); Power supply: DC 5V (USB powered) Packing List 1 x USB sound card 1 x USB cable (100cm) 1 x RCA cable (150cm) 1 x CD 1 x English user manual