Input: 100-240V 50 / 60 Hz; Output:15V-2.58A 44W; USB Port: 5V-1A.And also Fit for Microsoft Surface pro 36W 12V-2.58A. Compatible with: For Surface pro 3/4/5/6/X; Surface Laptop 1/2/3; Surface Go 1/2 , Model 1796 1800 1625. The power adapter is compact and suitable for carrying around, making it convenient to charge anytime, anywhere. Our product designs include: short circuit protection, overcurrent protection, overload protection, and overheating protection. Focusing on creating high-quality products. Please tear the film of the product to check the brand after receiving the goods.We offer a 2-year warranty period. If you have any questions about the product, please contact us and we will resolve it for you within 24 hours. Fit for Microsoft Surface Pro 7, 6, 5, 4, 3, X For Surface Laptop 2, 1 For Surface Go 3, 2, 1 Model 1796 1800 etc. Downward compatibility 36W-12V-2.58A