USB dual charger :
Input: 5V 2A
Output: 4.2V 800mA*2 (800mA*1)
Mini USB dual charger can fully charge 1 or 2 batteries at a time within a couple hours
The use of modern high-tech research charger can simultaneously charge two batteries，
100% safe circuit board protection， so it is absolutely safe.
You can power the dual charger with any USB power source including your computer.
LED Charger Indicator - Red light: needs charging， Green light: charging is complete

Package includes:
1 x USB dual charger
1 x USB Cable

Note: Not compatible with the GoPro HERO 4， HERO3 or HERO2 cameras.

Compatible With Battery Models:
GoPro AHDBT-501

Compatible With Digital Models:
GoPro HD HERO5 Black