... full speed interface, plug and play, instead of traditional sound card;2 ,full support WAV / MP3 / WMA/MPEG1 (VCD) / MPEG2 SVCD ... distance to deal with Kara OK effect of inputInterface: USB interface, no external power supply, can be used for version USB2.0 ... field preset modes;The analog signal (microphone and CD, MP3, TV, tape recorders and other line signal) into digital signals and ...