USB 5.1 Audio Sound Card, Adapter 6 Channel External Digital Optical SPDIF Output Adapter, Plug and Play, Easy to Use

USB spec 2.0 full speed compliant. USB audio device class spec. 1.0 and USB class spec. 1.1 compliant Supporting the Plug and Play features hot-swap, it is easy to use, USB spec 2.0 full speed compliant Support 48/44 KHz sampling rate for both playback and recording In digital playback mode, it receives audio stream form PC via USB interface and transmits audio data according to the AESEBU, IEC60958, SPDIF cnsumer interface standards In analog playback mode, it supports 6 channels codec for analog playback In digital recording mode, it receives SPDIF digital audio input and sends back to PC through USB