GOOQ Magnetic US Plug Power Supply AC Adapter Cord for Microsoft Surface Pro 3 12 Inch Tablet 12V 2.58A (Pro 3 Adapter Without Usb) 100% Brand new and high quality. Only Fit for Microsoft Surface Pro 3 12 Inch Tablet. Easy to carry around, on trip and travel. Tinned copper / Electromagnetic Immunity / high speed charge / short circuit protection / over-voltage protection / over-voltage protection Power: Input 100V-240V/ 50-60Hz Output:12V 2.58A