BT V5.0 Active noise-cancellation

 Automatic turn on/ off

 Wireless Fast Charging function

Bluetooth version：V5.0

Chip Model：CSR QCC3001

Signal Distance：13 M

Battery capacity: Earphone 50mAh ; Charging box 500mAh.

Charging time: 1-2  Hours

Talking time : 4-8  Hours

Working time: 4 -6 Hours 

Standby time: 100 Hours

Waterproof  Class : IPX5 

Active noise-cancellation function 

Auto turn on/ off and pairing connection