Specification:

Brand new and high quality.
The use of modern high-tech research charger can simultaneously charge two batteries.
Compatible with Gopro 4
Li-ion Battery
Capacity: 1400mAh
Volts: 3.8V

USB dual charger:

Input: 5V 2A
Output: 4.2V 800mA*2 (800mA*1)

Package included:
2*rechargeable batteries
1*USB dual charger
1*USB cable

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