Bluetooth version: 5.0
Support protocol: HSP/HFP/A2DP/AVRCP
Sensitivity: 103dB SPL+/-3dB
Frequency response: 20GHZ-208KHz
Earphone battery capacity: 45mAh
Charging box battery capacity: 400mAh
Charging time: 1.5-2 hours
Charging interface: lightning
Music time: about 3h(volume 80%)
Talk time: about 3.5h
Standby time: about 80h
Warranty Period: 06 Months Replacement Warranty
* Sales invoice.
* A description of the defect must be provided in order to issue a warranty claim.
* You may need to return the item for quality inspection.
* It will not be renewed after a replacement sent.