1. Bluetooth V5.0 + EDR chip with higher transmission speed and longer transmission distance.
2. In-ear fit auricle design Wearing your ear for a long time does not cause pain.
3. Headset battery capacity: 50 mAh.
4. Charging box battery capacity: 650mAh.
5. Transmission range: 10m
6. Charging voltage: 5V
7. Charging time: about 2 hours.
8. Play time: 4 hours.
9. Talk time: 4 hours.
10. Standby time: 400 hours
11. Support protocols: A2DP1.3 HFP1.7 HSP1.2 AVRCP1.6