1. The equipped USB cable for charging batteries can be connected to any device with USB connection. So it is very convenient to use.

2. Supports charging 2 GoPro Hero 3 batteries at the same time. You will never afraid your GoPro camera out of power.

And never bored of the long time for charging batteries.

3. Smart and lightweight design. The dual charger is very smart and lightweight, it is only 15g. So it is very convenient to carry.