The main function: 1. Decoding supports MP3, WMA, WAV, FLAC, APE lossless format music 2. The power is 2x40W, and two 40W speakers can be connected at the same time 3. The voltage range is 7V-25V, and the current cannot be lower than 2A 4. Support Bluetooth call function, Bluetooth version 5.0 5. Support folder playback, Support call, Support recording, Color screen display Support folder switching function; Support SD interface; Support USB interface (U disk); Power-off memory function; Support infrared remote control operation at a distance of 10 meters; Support external audio source input LINE IN; Support radio FM, search frequency band (87.5MHZ-108.0MHZ); Buttons: six-button multi-directional control, REC / REPEAT / - / + / AUTO / MODE; Specification: Product Name: MP3 Decoder Board Bluetooth Version: Bluetooth 5.0 Voltage: DC 7V-25V Current: 2A Support for: MP3 / WMA / WAV / FLAC / APE Frequency : 87.5-108 MHZ USB: 32GB Material: Plastic+electronic components colour: black Package Contents: 1 x decoder board 1 x remote control(The remote control does not contain 2 x AAA battery) 1 set cables 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.