Bluetooth transmitter BC77
Product Features: 
1. FM stereo transmission
2. Battery voltage detection,  low-voltage flashing alarm
3. QC 3.0 output,compatible with QC2.0 /Huawei FCP/ Samsung AFC/BC1.2 Apple 2.4A and other charging protocols
4. Support U-Disk play, bluetooth play music
5. Support WMA,MP3,WAV, APE, FLAC music format
6. Support bluetooth hands-free,Voice broadcast
7. RGB colorful atmosphere light