2 in 1 Surface charger: Input:100-240V 50/60Hz. Output:15V-4A 65W, 15V-2.58A 44W, 15V-1.6A 24W, 12V-2.58A 36W; Surface pro charger built-in a USB Port that you can synchronous charging for your Laptop and usb device(phone) by using this charger. Widely compatibility: Compatible with Microsoft Surface Pro 10, 9, 8, 7+, 7, 6, 5, 4, 3, X, Surface Studio 1 i5, Windows Surface 6, 5, 4, 3, 2, 1 Laptop perfect match surface model 1706, 1866, 1796, 1724, 1625, 1867, 1735, 1800 and so on, higher charging performance than 44W, 39W, 36W, 24W laptop / tablet charger Safety: Our products comply with U.S. safety standards, and we use strict process procedures to control the quality of our products to extend their use. Package Includes:1 X Power Adapter, 1 X Power cord.