Designed for Microsoft Surface Laptop (2017) & Surface Pro,compatible with Microsoft Surface Book / Surface Pro3 / Surface Pro4 / Pro5
Input: AC 100-240V Output: 15V 2.58A 44W. USB Port: 5V 1A
44W Power Supply quickly recharges the battery and the USB port allows you to charge another device such as your phone at the same time.
Over heating protection and short circuit protection
30 Days 100% Money Back Guarantee,6-Month Warranty & Lifetime Support Guarantee.