1. Action core Bluetooth version V5.0

2. Bluetooth fast charge QC3.0

3. Blue ambient light circle.

4. Support power-off memory, support Bluetooth automatic reconnection.

5. Bluetooth supports A2DP, AVRCP, HFP, HSP

6. Support U disk, T card, Bluetooth playback.

7. Support lossless music formats such as APE/WAV/FLAC.

8. Support button to wake up mobile phone voice assistant.

9. Private answer switch.

10.FM stereo output.

11. Low voltage alarm.

11. The product supports input overvoltage protection, output overcurrent protection, output short circuit protection, and overtemperature protection.