12V Plug-in Card MP3 Audio Player Module Supports Dot Matrix Screen Display Lyrics Synchronization Bluetooth Audio Decod

Features 1 Support stereo Bluetooth speaker function that is mobile phones and other devices can send music to the speaker via Bluetooth A2DP 2 Support the speaker terminal to control mobile phones and other devices through Bluetooth to switch up and down songs and adjust the volume 3 Bluetooth is based on CLASS 2 power level adopts Bluetooth 2 1 EDR specification is compatible with Bluetooth 3 0 and below version applications and the transmission speed can reach 3Mbit s 4 Support playing music on SD MMC Card and U disk the music formats are MP3 WMA WAV without license 5 Support FM frequency band 87MHZ 108MHZ 6 Support AUX input that is the external audio source can be connected to the speaker through AUX and the volume can be adjusted on the speaker 7 Support speaker status broadcast which can play various speaker status and modify the broadcast language according to user needs 8 Support function switching hotkeys one key to play on Card USB AUXIN FM Bluetooth the MODE button on the remote control is the function switching key 9 Support firmware encryption 10 Support USB connection to computer for firmware upgrade mass production 11 FAT16 FAT32 ExFAT Fat64 file system support 12 Support catalog levels 8 sub catalogs 13 Number of supported files There is no limit to the number of files in a single directory and the total number of music files can be supported within 9999 14 Support SD MMC 15 Support USB2 0 fully compatible with U