1. Bluetooth answer, hang up, reject, redial calls and other functions
2. Support Bluetooth stereo music playback
3. Digital tube display
4. Support U disk playback (below 64G)
5. Support colorful atmosphere light display
6. Support MP3/WMA/WAV/FLAC/APE format music
7. Support mobile phone navigation voice prompt
8. Automatic power-off memory function
9. Support FM full frequency point transmission function (87.5-108.0MHZ)
10. Output interface: dual USB+Type-c/USB-c
11. Output: USB1: 5V/1A, USB2: 5V/3.1A
12. Signal-to-noise ratio: greater than 60dB
13. Rated voltage: 12V-24V
14. Frequency response: 20Hz-20Khz
15. Transmission distance: less than 10M
16. Effective distance of Bluetooth microphone: 0.5-2M
17. Dimensions: 18 x 18 x 6.5cm
18. Weight: about 35g