Package Contents:1x 65W Surface Pro Charger, 1x US AC Cord with in 30 days of purchase, we offer a no-questions-aske replacement or full refund guarantee, 365 Days Warranty Guaranteed by the Manufacturer. Power supply designed provides optimal charging efficiency and save more time.It has a USB charging port ( 5V 1A 5W)on the charging brick jus like original Microsoft surface charger, offering decent output to charge a smart phones. Each of our chargers has undergone professional technical inspections before shipment to ensure excellent performance and safety, made of high materials and extremely fall-resistant. Chargers has a built-in heat dissipation system to prevent the charger from overheating at full power output. The built-in IC chip technology provides overload/short-circuit /overheat protection, so there’s no worries about damaging functional devices. Charger Input: 100-240V 50/60 Hz, Power Output: 15V-4A 65W; USB A port 5V-1A. Compatible with Microsoft 15V-2.58A 44W and 12V-2.58A 36W And 15V 1.6A 24W. Surface Charger Compatible With Microsoft Surface Book, Surface Go/ Go 2/ Go 3, Surface Pro X, Surface Pro 7, Surface Pro 6, Surface Pro 5, Surface Pro 4 Surface Pro 3 and Microsoft Surface Laptop 3 Laptop 2 Laptop 1, Microsoft Model 1706 1800 1625 Power Adapter Charger.