Compatible with Microsoft Surface Pro 9 Surface Pro 8 Surface Pro 7+ Surface Pro 7 Surface Pro 6 Surface Pro 5 Surface Pro 4 Surface Pro 3 Surface Pro X Surface Laptop 5 Surface Laptop 4 Surface Laptop 3 Surface Laptop 2 Surface Laptop Surface Go 1 2 3 Laptop AC Adapter Power Supply Cord Input:100-240V.Output:15V-4A 65W.Additional 5V 1A USB port, which allows you to charge your phone and other devices simultaneously.It works with 15V-2.58A 44W and 12V-2.58A 36W Compatible with Microsoft Surface perfect match surface model 1706, 1866, 1796, 1769,1724, 1625, 1867, 1735, 1800 and so on, higher charging performance than 44W, 39W, 36W, 24W laptop / tablet charger Dependable Protection and Safety:Thin, lightweight, fast and efficient charging, perfect for travel, home or office, with a charging indicator. Including over-current protection, over-voltage protection, short-circuit protection, over-temperature protection, overload protection, surge protection, and under-voltage protection