Features: DA720 DTS-Dolby 5.1 audio decoder with remote control U-disk Bluetooth-compatible5.0 optical fiber coaxial PC USB to analog. Support 2.0 2.1 5.1 channel PC USB bluetooth-compatible audio converter. Set top box projector Bluetooth-compatible u-disk PC-USB and other audio signal inputs share one set of multiple speaker devices. 5.1CH lossless-sound quality surround built-in high-performance ROTOS- operating system support Dolby-/DTS-/Dolby-AC3 LPCM- PCM-format. Support network- player, HDTV, Blu-ray-DVD PS-3, set-top boxes, DM800HD, and so on.Small size, metal shell-, anti-jamming. Adopt 6CH RCA /3.5mm Headphone port output,convenient and efficient in use.. Specifications: Model: DA720 Input interface: Fiber/ Bluetooth-compatible/ Coaxial / PU-USB / U-Disk Support audio format: Dolby-Digital/DTS-/PCM USB audio format: MP3 -APE FLAC WAV DTS-AC3 Sampling Rate:32-192 KHz Bit Rate: 6-24Bit Response Frequency: 20Hz-20KHz Current: 400mA Voltage: DC5V 1000mA Plug: -UK/ -EU/ -AU/ -US Package Includes: 1Setx Digital Audio converter note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!