Input : 5V/ 0.25A
Working time : 5 hours (Earbuds)
No. of charge : 2.5 times (Case)
Driver type : 6mm
Frequency response : 20-20KHz
Impedance : 16 ohm
Sensitivity : 97db +/- 3db
Bluetooth version : 5.0
Supported profile : HFP, HSP, AVRCP, A2DP
Wireless frequency : 2.402GHz - 2.480GHz
Effective range : 10m (Line Of Sight)