2021 Best Wireless Hands Free Auto Bluetooth Car Modulator FM Transmitter MP3 Player with SD MMC USB

1. Support all types of vehicles(Siri/Google voice assistant LED Colors changing )
2. LED display
3. Support QC3.0 fast charge
4. Support Huawei FCP Fast Charge Protocol / Samsung AFC Fast Charge Protocol / Qualcomm QC3.0 / QC2.0 Fast Charge Protocol/ USB DCP loading 2.7V at D+ and D- / Provides up to 2.4A charge current for Iphone / Compliant with USB BC1.2 protocol，support USB DCP short D+ and D-
5. Support stereo FM transmission technology
6. Support U disk play
7. Support TF card music player
8. Support WMA, MP3, WAV, FLAC music format files
9. Automatic power off memory function
10. bluetooth supports A2DP,AVRCP,HFP,HSP
11. bluetooth V5.0
12. bluetooth hands-free calling
13. Support DSP technology
14. Battery voltage detection
15. Support atmosphere lights / fluid rainbow light
16. Support one-button soft shutdown；Support any key to boot