Support: MP3, WAV, WMA, APE, FLAC, and other audio formats Support remote control: play/pause, previous song, next song -5310 powerful chip, stable and reliable, high integrated chip, Bluetooth, USB, digital model conversion and transmission to ordinary speakers for playback, and upgrade and use of ordinary speakers. Application scenarios Home theater, U disk music, home K song, mobile music Music format: MP3, WAV, WMA, APE, FLAC, Sound effect mode: pop, rock, jazz, classical, country Name: Wireless receiving digital-to-analog converter Input: optical fiber/coaxial/Bluetooth/U disk/microphone Output: RCA left and right channels/3.5 stereo Power supply interface: DC5V2A Bluetooth: Blutooth5.0 colour:Black Material:Metal size:70 x 82 x 27mm Package Contents: 1 Amplifier Board 1 x Remote Control 1 x Data Cable 1 x Optical Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.