DC 6 18V 40W MP3 Board 2*20W Amplifier Bluetooth 5.0 Car MP3 Player

Function Description:(Size: 93 * 25MM)1. Bluetooth version 5.02. Support calls (long pre the pause on to answer calls)3. Supports 3.5MM head microphone function4. Support . only supports TF mode or USB mode operation.(Long pre and hold the MODE on on the remote control to start , and long pre and hold the PLAY on on the remote control to switch between and music playback. When , a storage device needs to be connected, such as a USB f drive or TF card.)5. Support power outage memory6. The power supply voltage supports DC 6v-18v and the current is between 1-3A.7. It can be directly connected to the speaker, with power amplifier and de functions.8. Support song formats MP3/WMA/WAV/APE/FLAC9. Main functions MP3/USB/TF/LINE IN/FM/BLUETOOTH/Remote control/10. Power 40W, true stereo 2 * 20W.11. Support folder selection and playback. When there is a folder in the device and there are songs in the folder during USB or TF playback, pre the up or down on twice to select the folder to play songs, and the screen will display F001-F00 accordingly? And so on, are there? A folder displays F00?.