Features: 1. Automatically support USB / TF / Bluetooth / FM / AUX switching. Prompt and convert to cable (signal sound or English voice optional) 2. Support music in MP3 / WMA / WAV format. MP3 songs 32-320kbps, WAV / WMA is 1411kbps or below 3. Support USB / card switching, music, next song, volume control, EQ, play /pause, stop, mute, shutdown, and directly select songs. 4. Support Bluetooth previous song, next song, volume control, play /pause, mute. 5. Support power and storage function: turn off the storage before playing the song, and store the volume to the current position. Breakpoint memory (in playback mode The first time you restore the U disk or TF card, it will play the breakpoint memory for the first time when the power is cut off after about three seconds) Specifications: Body Material: Plastic Bluetooth: Yes Operation Mode: Touch button + Remote Control Supports FM: Yes Battery Specification: External Power Signal Noise Ratio: ≥89dB Supports Recording Function: Yes Function: Voice Recorder, FM Radio, Bluetooth, Microphone singing Style: Car MP3 Balanced Out: Yes External Memory Support: Yes Audio Format Support : MP3, WAV,MP3 Origin: Mainland China Bluetooth version is version 5.0 Music format: MP3 / FLAC lossless format music Radio FM frequency: 87.5-107.5 MHZ Support function introduction: support MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control Package Contents: 1*Mp3 Decoder Board 1*Remote Control (without battery)