1. Play format: MP3/WMA/WAV
2. Bluetooth version: 5.0
3. Bluetooth sound processing: A2DP
4. Working voltage: 12-24V
5. Bluetooth transmission distance: 10 meters
6. Voltage limit: 9-26V
7. FM frequency: 87.5-108Mhz
8. USB output: 5V/2.5A
9. Output interface type: USB
10. Display size: 1.1 inches
11. Material: ABS
12. Can read music in TF card/U disk, and can also connect to Bluetooth to play
13. One key to connect/hang up the call, press twice in succession to automatically dial the last call number
14. AUX audio input, can play music without Bluetooth function
15. Fast charging design, intelligent matching current
16. Battery voltage monitoring display, clear display
17. Size: 8x2x10 cm
18. Weight: about 100 grams
