The 67W GaN Usb-c 2-Port Charger can charge two devices at the same time. The Gan technology enables it to deliver a significant amount of power in a small package. The Usb-c ports support Power Delivery 3.0/2.0 technology enabling laptops, tablets, and mobile devices to charge at the fastest rates possible. Surge, overcharging, overvoltage, overcurrent, short circuit and overheating protection are included to keep your devices safe.