【High Quality Sounds】12V car bluetooth mp3 decoding board can switch signal directly, and insert support USB, TF card, Bluetooth 3.0 + EDR (after been paired with mobile phones can realize wireless music play). Can use USB / TF / Bluetooth / FM / LINE switch and MP3/WMA/WAV lossless music decoding chip | 【Smart Switch】Support TF/SD card / USB flash switching, support Bluetooth PREV, NEXT, fast forward, fast rewind, songs selection, volume adjustment, EQ, play / pause, stop, mute, shutdown, direct election song. Note: Non-smart phones (android) have to enter the password - 0000 | 【File System】The remote decoding board module support for FAT16, FAT32 file system. Support for MP1 layer3, MP2 layer3, MPp3 layer3 version of the song and 32-320 KBPS MP3 songs. Supports power-off function: memory plays songs and volume before power off | 【Specifications】The Installation pitch is 92 mm wide, Installation hole size is 83 x 20 x 38 mm and overall dimensions: is 107*25*38mm/ 4.21*0.98*1.5 ". Input voltage:12V. Made of the high quality plastic | 【Wide Applications】The 12V car bluetooth MP3 decoder board can easily used to improve the sound quality of ordinary audio, widely used in toys, gifts, fitness equipment, household appliances, broadcasting systems, etc.