This USB Wall Charger for Cell Phone and Tablet will charge compatible devices up to four times faster than standard charging. Because of the quick charge 3.0 technology, this charger is compatible with all devices that support USB quick charge. It is the best power solution for global use because it uses international voltage. Over-Voltage Protection, Over-Current Protection, Over-Heat Protection, and Short-Circuit Protection are all features of the QC3.0 multiple USB charger that will keep your mobile devices safe at all times. This adapter is suitable for most USB charging devices, including Android and iOS devices.