For GoPro Hero2 HD / Hero3 HD / Hero4 Black / Hero5 Black / Hero5 Session LIFE-TECH 10W Universal Dual Wall Home Travel Charger High Performance 10W Dual USB AC Home Wall Charger Adapter Dual USB sockets allow you to charge 2 devices at once. Simply use a compatible usb cable(not included) for your device to get charge up from this charger IC Chip recognizes a full battery & automatically switches to saver mode. Input: AC100-240 Volts Output: 5.0V ~ 2100mah