Features: 1. With the Bluetooth-compatible audio receiver module, when the phone and Bluetooth-compatible module match the configuration, the MP3 or lossless APE files are sent to the Bluetooth-compatible receiver module product for playback via Bluetooth-compatible, which greatly helps the functionality and entertainment of the product. 2. This product also looks like ordinary MP3 decoder card, CD or TF card, radio program. 3. Support direct signals switching. Support USB, TF; Bluetooth-compatible support (Bluetooth-compatible 5.0 EDR) (wireless music playback when paired with your phone) 4. USB/TF/Bluetooth-compatible/FM/USB switching support line. MP3/WMA, lossless music decoding chip WAV; support USB/TF card switching, previous, next, fast forward, fast rewind, volume, equalizer, play/pause, stop, single song repeat, mute, stop, direct selection. 5. Support Previous Bluetooth-compatible, Next, Volume, Equalizer, Play/Pause, Mute, Shutdown; support FAT16, FAT32 file system; support MP1 Layer3, Layer3 MP2, MP3 Layer3 versions of songs; support 32-320 KBPS MP3 songs; support power-off memory function: read songs and volume before power-off. Specifications: 1. Dual decoding support MP3/WMA/WAV formats of music. 2. Support Bluetooth-compatible function. 3. With digital tube display; 4. Support TF card, support for USB interface (U disk). 5. Power failure memory function 24C02. 6. Support for 5-10 meters distance infrared remote control operation. 7. Support for external audio input LINE IN (AUX). 8. Support for radio FM, collect frequency band (87.5MHZ-108.0MHZ). 9. Keys: four keys multi-directional control, VOL- / AUTO / VOL + / MODE. The Key Operation Details 1. VOL-key (previous song / volume reduction): in the MP3 state VOL-short press for the previous song, long press for volume reduction; in the FM state short press for the upward adjustment of a station number; in the Bluetooth-compatible function short press for Bluetooth-compatible on a song, long press for volume reduction. 2. AUTO button (play/pause): short press AUTO for play/pause in MP3 state; short press for play/pause in FM state, long press for auto receive and save station; short press for play/pause in Bluetooth-compatible function. 3. VOL+ button (next song/volume up): In MP3 state VOL+ short press for next song, long press for volume up; in FM state short press for downward adjustment of a station number; in Bluetooth-compatible function short press for Bluetooth-compatible next song, long press for volume down. 4. MODE button: switch between USB/SD/FM/AUX/Bluetooth-compatible functions in order. Include: 1 x MP3 Bluetooth-compatible Decoder 1 x Remote Control (without battery) 1 x Set of Cables