Designed to match your Microsoft Surface Book, Surface Pro 3 Surface Pro 4 Surface Laptop & Surface pro (2017).
Designed to match the look and feel of your Surface, the Microsoft Surface 65W Power Supply for Surface Book Surface Pro 3 Pro 4 Surface Laptop & Surface pro (2017) quickly recharges the battery and the USB port allows you to charge another device such as your phone at the same time.
The magnetic snap-in power adapter attaches to your Surface with ease.
The slender cord and adapter allow access to outlets behind furniture or in other tight spaces.
Compatibility:Microsoft Surface Book Surface Pro 3 Surface Pro 4 Surface Laptop & Surface pro (2017)
Output: 65W 15V 4A.
Power Supply: 3.54 x 1.97 x 0.98 inch
Power Cord: 6.2Ft
DC Cable: 5Ft
Warranty: 1-year Replacement warranty
*Don't expose to liquids
*Avoid extreme temperatures
It is normal that has certain temperature increasing during use.