Dual Battery Charger for GoPro Hero 4

Features
Charges two GoPro Hero 4 batteries at the same time.
Charges via USB cable.
Can be powered with most standard USB chargers.
Smart LED light indication.
Compact and lightweight, convenient for travel use.
Specifications
Input DC 5V/2A
Output DC 4.35V 800mAh x 2MAX.
Dimension 5.5L x 4.5W x 2H cm
Weight 60g
Package included 1 x Battery Charger, 1 x USB Cable
Certification CE