1. Chip: JL
2. Bluetooth version: V 5.2
3. Transmission distance: 10m
4. Charging voltage: DC 5V
5. Charging time: 20 minutes
6. Talk time: 20h
7. Music time: 20h
8. Standby time: 6 months
9. Battery capacity: 140mAh
10. The earpiece has a retractable wire design, so you don’t need to put the earphone in your ear for a long time
11. Incoming call vibration reminder function, intelligent voice reminder
12. Chinese and English bilingual switching, can connect two mobile phones at the same time