1. BT V5.0 Active noise-cancellation
2. Wireless Charging Function
2. Wireless Charging Function
Bluetooth version：V5.0
Chip Model：RTL8763BF
Signal Distance：10 M
Battery capacity: Earphone 40mAh ; Charging box 500mAh.
Charging time: About 1.5 Hours
Working time: 3-4 Hours
Standby time: 100 Hours
Waterproof Class : IPX54
Active noise-cancellation function
Chip Model：RTL8763BF
Signal Distance：10 M
Battery capacity: Earphone 40mAh ; Charging box 500mAh.
Charging time: About 1.5 Hours
Working time: 3-4 Hours
Standby time: 100 Hours
Waterproof Class : IPX54
Active noise-cancellation function
