1.Bluetooth version:  5.0
2.Battery capacity: 35mAh x 2
3.Charge Case battery: 300mAh
4.Charging time: Approx 2hrs
5.Playing time: 2.5 Hrs
6.Talking time: 2 Hrs
7.Working Range: 10M 
8.Sensitivity: 96dB +/- 3dB
9.Driver: 10mm

● Stronger signal, unobstructed and long-distance connection.
● More sensitive and magnetic suction design of charging connection.
● 10mm super dynamic driver provide deep bass and clear sound.