【Specification】 Input(AC): 100 - 240V 50/60Hz. Output(DC): 15V - 4A. Additional USB Port: 5V-1A 5W (The USB port allows you to charge another device such as your phone at the same time). 【Adapter Charger Compatibility】 Compatible with Surface Pro 2017, Surface Go, Surface Pro X, Surface Pro 7, Surface Pro 6, Surface Pro 5, Surface Pro 3 Pro 4 and Surface Laptop 3 2 1, Surface Book&Book 2; Microsoft Model 1706. With Additional USB Port, Wall Plug and 6ft Power Cord. 【Quickly Charge】 KABCON 65W Power Supply quickly recharges the battery, come with the USB port allows you to charge another device such as your phone at the same time. Safe and fast charging new experience.