Doulet Earbud Powerbank
Dimension: 144 X 64 X 23 MM
Material: ABS
USB port: 2 USB Port
Current : 3.7v 40 mAh
Bluetooth version:5.0
Dual USB Output: 5V/2100mAh
Input:DC: 5V
Charging case capacity: 10000mAh
Earbuds charging time: about 5 hours
Headphone battery capacity: 45mAh
Support: HSP/HFP/A2DP/AVRCP
