1. Automatically support USB / TF / Bluetooth / FM / AUX switching. Prompt and conversion to cable (beep or English language optional) 2. Supports music in MP3 / WMA / WAV format. 32-320 kbps MP3 songs, WAV / WMA are 1411 kbps or less 3. Support USB / card switching, music, next track, volume control, EQ, play / pause, stop, mute, shutdown and direct track selection. 4. Support bluetooth previous song, next song, volume control, play / pause, mute. 5. Support performance and memory function: turn off the memory before playing the song and save the volume at the current position. Breakpoint memory (in playback mode, if you restore the U disk or TF card for the first time, the breakpoint memory will play for the first time if the power is cut after about three seconds.) Bluetooth version is version 5.0 Music format: MP3 / WMA / WAV / FLAC / APE music in lossless format Power: 2 * (15) W, connect 2 (15) W speakers Radio FM frequency: 87.5-107.5 MHz Introduction to support function: Support for MP3 / USB / TF / LINE IN / FM / BLUETOOTH / remote control / DC: 12V External storage: yes Support for audio formats: MP3, WAV Balanced: no Have speakers or not: no Have amplifiers: Yes Battery specification: External power supply Function: FM radio Function: bluetooth Bluetooth: yes Model Number: MP3 Decoder Board WIFI: No. Style: Car MP3 Operating mode: contact tone Body material: plastic Packaging: No. Supports FM: Yes Screen: yes Storage type: Flash memory Color: Black Material: ABS