Feature●DIGITAL-TO-ANALOG CONVERTER -- wireless receiving digital-to-analog converter, Bluetooth 5.0, optical/coaxial, U disk and Mic multiple inputs, various ways, easy to use.●MULTI-INTERFACE DIGITAL-TO-ANALOG CONVERSION -- can convert optical/coaxial/digital signals to 3.5mm/RCA output to power amplifiers and speakers. It can turn set-top boxes/network boxes/computers/TVs/projectors/mobile phones into speakers, headphones, power amplifiers, transmitters, and decoders.●BLUETOOTH 5.0 WIRELESS RECEPTION -- ultra-long transmission distance, external antenna, can cover a maximum range of 20m, can realize TV audio external speakers and other various purposes.●U DISK PLAYBACK -- support MP3, WAV, WMA, APE, FLAC, SBC and other audio formats, support remote control control (only support play, pause, previous song, next song).●POWERFUL CHIP -- highly integrated chip, Bluetooth, USB, digital signal conversion and transmission to ordinary speakers for playback, upgrade and use ordinary speakers, and buy a Dongle to enjoy various conveniences.Description