? SURFACE PRO CAR CHARGER: The surface car charger power supply is designed to match your Microsoft surface Pro 3, Microsoft surface Pro 4, surface Laptop, Surface Book, Surface Pro (5th Gen), Microsoft Surface Pro (2017), Surface Laptop 2 & Surface Go
? WITH USB QUICK CHARGE: USB 5V 2.1A car charger fast recharges for devices such as your phone or Pad at the same time
? INPUT: DC 12-24V/3.5A (MAX); OUTPUT: DC 12V/2.58A, DC 5V 2.1A (USB)
? DESIGN: 44W surface power supply, come with 4.8Ft Power Cord
? CUSTOMERS SERVICE: We promise you a quick response and a nice solution if you have more details about your problem. Exactly worry-free for you