BC66

1. bluetooth V5.0

2. Dual display digital tube display

3. Support QC3.0 quick charger

4. Support PD quick charger

5. Support voice assistant function

6. Support one-key soft shutdown; support any key to boot

7. Support colorful light

8. Battery voltage detection

9. Automatic power off memory function

10. Support stereo FM transmission technology

11. Support U disk music player

12. Support TF card music player

13. Support WMA, MP3, WAV, FLAC music format files

14. bluetooth supports A2DP, AVRCP, HFP, HSP 

15. bluetooth hands-free calling

16. Support DSP technology