Bluetooth version : V5.0
Operating range : 10m
Earbuds Battery capacity: 35mAh
Warehouse Battery capacity:250mAh
Talk time:about 3.5-4 hours
Music playing time: 3-4 hours
Charging time : 1-2 hours
The number of charging the earbuds: 2 times
Dimension of earbuds: 33*21.8mm
Dimension of charging box: 60*22*46mm
