1. Bluetooth version: 5.2
2. Chip: Bluetrum AB5602B
3. Battery capacity: 1200mAh
4. Charging time: about 2 hours
5. Usage time: 3 hours
6. Speaker unit: 52mmx2
7. Power: 5Wx2
8. Size: 210x90x52mm
9. Weight: 498g
10. Support Bluetooth playback, FM, TF card, U disk, AUX, TWS and other modes