Input: AC 100-240V (Worldwide use) Output: 15V 2.58A 44W Designed for Microsoft Surface Pro 6 Pro 4 Pro 3 Surface Laptop 1/2 Surface Go Surface Book. With Additional USB Port, Wall Plug and 6ft Power Cord Wall plug and AC power cord plug - When you don't need the AC power cord, you can unplug it, replace our wall plug, when you need the AC power cord, you Plug in the 6FT power cord.easy for charging on different occasion, for travel, home, car, office, etc USB port allows you to charge another device such as your phone/iPad at the same time.