Descriptions: 1. Bluetooth version 5.0 2. Support 6.5mm microphone 3. Support music accompaniment to eliminate the original sound. 4. Support calling (long press the pause button to answer the call when there is a call) 5. Support recording. Recording only supports operation in TF mode or USB mode. (Long press the MODE button to start recording, long press the MODE button again to cancel the recording and play the recorded file; exit the recording mode and long press the pause button to exit. When recording, you need to connect a storage device, such as a U disk or TF card;) 6. Support power-off memory 7. The power supply voltage supports between DC 8v-26v, and the current is between 2-5A. 8. Can be directly connected to speakers 9. Support song format MP3/WMA/WAV/APE/FLAC 10. Main functions MP3/USB/TF/LINE IN/FM/BLUETOOTH/remote control/ 11. Power 150W, stereo 2*75W. 12. Support folder selection to play. When USB or TF is playing, there is a folder in the device and there are songs in the folder. Press the previous button or the next button twice to select the folder to play songs, and the screen will display F001-F00? and so on, yes? A folder displays F00? . Specifications: Power supply: DC 8V-26V Power: 2*75W Support: USB/TF Card/AUX/FM Radio Product size: length 124MM*width 34MM*thickness 53MM Screw hole distance: 24MM*113MM Feature 1: Bluetooth Music playback Feature 2: Support U Disk Music playback Feature 3: Support TF card Music playback Feature 4: with MIC Feature 5: FM Radio function Feature 6: With color LED Feature 7: With Remote control Feature 8: Bluetooth audio decoder Feature 9: audio power Bluetooth FM control Feature 10: amplifier mp3 decoder board Bluetooth Feature 11: Bluetooth fm for music control Feature 12: support musical accompaniment Feature 13: With power amplifier and decoding functions Feature 14: power off memory Packing Includes: 1 X MP3 Decoding Board 1 X Remote controls((Not Bring the Battery) 4 x Cables