This item is designed for GoPro AHDBT-401. It can charge two batteries simultaneously via USB cable.

Features:
Compact and portable design， fix in the fist of an adult.
Suitable for GoPro AHDBT-401 (not included).
Charges two batteries simultaneously via USB cable.
It has over-voltage protection and over-current protection.
With LED indicator: red light stands for charging status.(yellow light glows when battery get full charged).

Note:
The batteries showed in the picture are not included.
When charging has completed， please cut off power supply and take out the batteries. Otherwise the battery will continue to discharge.

Specifications:
Cable length: 84cm / 33in
Input: 5V 2A
Output: 4.35V 800mA （*2）
Package size: 12 * 5 * 5cm / 4.7 * 2 * 2in
Package weight: 61g / 2.2oz

Package List:
1 * Charger
1 * USB Cable