What you get: 1x Ptioatns 44W surface charger, 1x ac cord. 1 year warranty with replacement coverage. Design with automatic thermal, overload cut-off, and short circuit protection, ensure the safety during the using. 44W 15V 2.58A power supply quickly recharges the battery, works with microsoft 12V-2.58A 36W model 1625 and 15V-1.6A 24W model 1735, the usb port allows you to charge another device such as your phone at the same time. Compatible with microsoft surface pro 3, surface pro 4, surface pro 5, surface pro 6, surface pro 7, surface laptop go, surface go 1/2, surface laptop 2/3. Input: AC 100-240V 50/60HZ (worldwide use); output: 15V- 2.58A; usb port: 5V 1A (usb 2.0).