Designed to match the look and feel of your Microsoft Surface 3 Tablet, Simply connect the USB cable to your Surface to recharge the battery.(Not Compatible Surface Pro 3) This AC power adapter to standard micro USB cable can also be used to charge other devices like a smartphone, tablet or digital products. Input: AC100-240V, 50/60Hz (worldwide use); Output: 5.2V 2.5A 13W 100% New Direct from Manufacturer. Buy with confidence! We have been manufacturing chargers for 11 years. To ensure our products fits as well as the original, our products include only the highest quality components. Warranty: 12 Months warranty, 24 x 7 email support. Your satisfaction is extremely important to us. If any questions please feel free to contact our customer support for assistance.