❶ Input: 100-240V 50/60 Hz; Output: 15V-2.58A 44W; USB port 5V-1.5A 7.5W. It works with 15V-2.58A 44W and 15V-1.6A 24W and 12V-2.58A 36W ❷Power Adapter for microsoft surface pro charger, windows surface pro charger, surface laptop charger, surface pro 3 charger, surface pro 4 charger, surface pro 5 charger, surface pro 6 charger, surface go charger, surface book charger.(All M3 I3 I5 I7) ❸ With additional USB 2.0 charging port of 5V / 1.5A. You can charge another device such as a phone at the same time.