Supports AES/EBU, IEC60958, S/PDIF.Supports 5.1 surround sound, 48KHz sampling rate.Supports digital record standard: 32Khz, 44KHz, 48KHz sampling rate.Supports audio mixing and recording.Compatible with Win98SE/ME/2000/XP/7/Mac OS 9.1 (Mac version has 2 channel playback only)Supports cording audio stream without sound card in PC.Compatible with USB 1.1.Supports USB 12M Serial data transmission.3 Input terminal and 3 output terminal.Plug-in, convenient to use.Specification:Color: Black, Blue1 X Sound Card1 X USB Cable