80W 12V Bluetooth MP3 Decoder Board With Power Amplifier Color Screen Call Recording 1. Bluetooth version 5.0 2. Support 6.5MM microphone 3. Support music accompaniment KARAOKE mode 4 Support calls (press and hold the pause button to answer the call when a call comes) 5. Supports 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 recording and play the recording file; to exit the recording mode, long press the pause button to exit, you need to connect a Storage device, such as: U disk or TF card) 6. Support power-off memory 7. The power supply voltage supports DC 7V-24V, and the current is between 2-4A. 8. Speakers can be connected directly 9. Support song formats MP3WAVAPEFLAC 10. Main functions MP3USBTFLINE INFMBLUETOOTHremote control 11. Power 80W, stereo 2x40W 12. Supports folder selection playback. When playing via USB or TF, if there is a folder in the device and there are songs in the folder, press the previous song button or next song button twice to select the folder to play songs, and the screen will display FO01 accordingly. -FOO? And so on, yes? folder displays FOO? 13. Power supply voltage: 7V-24V 14. Power supply for the large remote control: AA battery (not included); silicone remote control and small remote control use button batteries (not included) 15. Dimensions: length 128x width 31x height 35MM