1. Chip: Jerry 6973D4 2. Bluetooth version: V5.2 3. Transmission distance: 10m 4. Charging voltage: DC 5V 5. Charging time: 1 hour 6. Talk time: 5 hours 7. Music time: 7 hours 8. Standby time: 3 months 9. Battery capacity: 400mAh 10. Material: PC+ABS 11. Support Chinese and English bilingual switching, up and down touch function 12. Three modes, low-pitched mode, HiFi music mode, game mode
