Features:
1.Bluetooth Bluetooth V5.0
2. Dual display digital tube display
3. Support QC3.0 fast charge
4. Support PD fast charge
5. Support voice assistant function
6. Support one-key soft shutdown; support any key to boot
7. Support atmosphere light
8. Battery voltage detection
9. Automatic power-off memory function
10. Support stereo FM transmission technology
11. Support U disk playback
12. Support TF card music playback
13. Support WMA, MP3, WAV, FLAC music format files
14.Bluetooth supports A2DP, AVRCP, HFP, HSP
15.Bluetooth hands-free calling
16. Support Bluetooth stereo music DSP technology

Technical parameter:

Rated working voltage: 12V~24V
Limit working voltage: 10-26V
PD output power: 18W
USB output power: 5W+18W
Working temperature: 0-50 degrees
Music playback format: MP3/WMA/WAV/FLAC
Signal-to-noise ratio:>60dB
Battery voltage error: ±0.5V
USB1: U disk/5V/1A
USB2:QC3.0(3.6V-12V)
Bluetooth version:Version 5.0
Bluetooth sound processing: with DSP technology and A2DP (Advance Audio Distribution Profile) function
Bluetooth transmission distance: less than 10M
Bluetooth microphone effective distance: 0.5-2M
FM transmit frequency: 87.5MHz-108.0MHz
Transmit FM mode: Stereo digital PLL frequency locking voltage: 12V~24V
Limit working voltage: 10-26V
PD output power: 18W
USB output power: 5W+18W
Working temperature: 0-50 degrees
Music playback format: MP3/WMA/WAV/FLAC
Signal-to-noise ratio:>60dB
Battery voltage error: ±0.5V
USB1: U disk/5V/1A
USB2:QC3.0(3.6V-12V)
Bluetooth version:Version 5.0
Bluetooth sound processing: with DSP technology and A2DP (Advance Audio Distribution Profile) function
Bluetooth transmission distance: less than 10M
Bluetooth microphone effective distance: 0.5-2M
FM transmit frequency: 87.5MHz-108.0MHz
Transmit FM mode: Stereo digital PLL frequency locking