Product features: No matter where you are， you can simultaneously charge two GoPro cameras. GoPro wall charger charging 2 times faster than a computer with a USB cable to charge the battery GoPro speed， in addition you can also record while charging. Accompanying apply to American， British， European and non-built-style wall socket replaceable AC plug.
Up to two GoPro cameras simultaneously charging current intensity for each port 1 amp， enabling fast charging
You can record video or take pictures while charging
Accompanying apply to American， British， European and non-style wall outlet AC plug
And most can be charged via a USB device before use to ensure that your device is compatible with the charger is compatible.