Rocketek 6-Port Desktop USB Charging Station built-in Intelligent Charging chip usb charger for ALL USB-charged devices / 5V/7.1A - 35.5W Built-in Smart IC, intelligently identify each connected device and speak its language - guaranteeing the fastest charge time for EVERY device (up to 7.1 Amps among 6 ports) Max output: 5V/ 7.1A. This usb charging station specially made for power-hungry devices. Over-voltage, over-current, short-circuit protection design; Safety approval: UL/CE/FCC; High quality Fire-resistant and High temperature-resistant Material AC 110-220V input voltage ideal usb charger for international travel. Free lifetime technical support and 24-month manufacturer's warranty.