Input: AC 100-240V (Worldwide use) Output: 15V 6.33A 102W Designed for Microsoft Surface Book, 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; With Additional USB Port and 6ft Power Cord Additional USB Port: 5V 1.5A USB 2.0.The USB port allows you to charge another device such as your phone at the same time Multi-charging connector-Magnetic snap-in 102W power adapter recharges the battery quickly. Design with Automatic thermal, overload cut-off, and short circuit protection. Ensure the safety during the using