UGREEN USB Wall Charger Dual Ports 17W 3.4A USB Travel Wall Charger with Smart Charging Technology Built-in Smart Charging IC: With Built-in IC, the usb wall charger can detect the device automatically and give the optimal and maximum output.The Charging speed is TWICE faster than general charger, greatly save your time. This usb charger is ensures a sophisticated circuit design with over-heated,over-current,over-charging protection, charging will automatically stop when battery is full. Dual Charging Powerful Capacity: This wall charger with 2 USB ports, totally 17W/3.4A. One port is 1A for phones, another port is 2.4A for tablets. The dual usb wall adapter allows you to charge your cellphone and tablet with an optimum charging speed simultaneously Universal Compatibility: Ugreen dual usb wall charger is compatible with most devices Travel Size with Guarantee: This usb wall charger is compact and portable with 2.1x 2.0x 1.1 inch size and 2.5 oz weight, perfect companion for your travel. Guarantee: all items from Ugreen enjoy 12 months warranty and lifelong manufacturer customer support