1. Bluetooth 5.0 chip with faster transmission speed and longer transmission distance.
2. In-ear fit auricle design wearing the ear for a long time does not cause pain.
3. Earphone battery capacity: 40mAh.
4. Charging box battery capacity: 500mAh.
5. Transmission range: 10m
6. Ephone input: 5V
7. Earphone charging time: 1.2 hours
8. Play time: 3.5 hours
9. Charging box input: 5V/1A
10. Charging box charging time: 2.5 hours
11. Charge the earphone: 4-6 times