Input & Output: 100-240V 50/60Hz. Output(DC):15V-4A. USB Port: 5V-1A 65W Compatible with Surface Laptop 5/ Laptop 4/ Laptop 3/ Laptop 2/ Laptop 1, Surface Laptop Studio 1 i5, Surface Laptop Go 3, Surface Laptop Go 2, Surface Laptop Go, Surface Pro 9, Surface Pro 8, Surface Pro X, Surface Pro 7+, Surface Pro 7, Surface Pro 6, Surface Go/ Go 2/ Go 3 / Go 4, Surface Pro 5(2017), Surface Book/ Book 2 i5（Not i7）/ Book 3 i5（Not i7）, Surface Pro 4, Surface Pro 3 Dependable Protection and Safety: Built-in multi safeguards to protect against, overcharging, overheating, short circuiting, friendly to computer battery Top-rated 65W Laptop Charger for Microsoft Surface: Full charge Surface Pro 9 in only 1.5h, perfect match surface model 1706, 1866, 1796, 1724, 1625, 1867, 1735, 1800 and so on, higher charging performance than 44W, 39W, 36W, 24W laptop / tablet charger Customer Service： We provide top-notch after-sales service. If you encounter any issues while using,please feel free to contact our customer service team. Top-rated 65W Laptop Charger for Microsoft Surface: Full charge Surface Pro 9 in only 1.5h, perfect match surface model 1706, 1866, 1796, 1724, 1625, 1867, 1735, 1800 and so on, higher charging performance than 44W, 39W, 36W, 24W laptop / tablet charger