The main function: 1. Decoding supports MP3, WMA, WAV, FLAC, APE lossless format music2. The power is 2x40W, and two 40W speakers can be connected at the same time3. The voltage range is 7V-25V, and the current cannot be lower than 2A4. Support Bluetooth call function, Bluetooth version 5.05. Support folder playback, Support call, Support recording, Color screen displaySupport 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 BoardBluetooth Version: Bluetooth 5.0Voltage: DC 7V-25VCurrent: 2ASupport for: MP3 / WMA / WAV / FLAC / APEFrequency : 87.5-108 MHZUSB: 32GBMaterial: Plastic+electronic componentscolour: blackPackage Contents: 1 x decoder board1 x remote control(The remote control does not contain 2 x AAA battery)1 set cablesOnly 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.