1. Material: ABS plastic/PS lens
2. Function: TF card, radio, voice prompt
3. Interface type: USB
4. Bluetooth version: 5.0
5. Effective distance: 10 meters
6. Sound quality: HIFI
7. Speaker size: 52mm/45 external magnetic/diaphragm
8. Support function: AUX/FM/TF/BT/ALM
9. Frequency response range: 100HZ-20KHZ
10. Signal to noise ratio: 75dB
11. Channel: 2
12. Number of speakers: 2
13. Output power: 3W
14. Power supply mode: built-in lithium battery
15. Battery capacity: 1200mAh
16. Play time: 6 hours
17. Compatible with most smart devices with Bluetooth function
18. Not only a speaker, but also an alarm clock, reporting the time on time
19. Product size: 14.5 x 6.25 x 7.4 cm