Products are tested, and confirmed to be 100% fully functional. These devices may show cosmetic signs of previous use such as marks on the screen, dints, slightly worn keys or touchpad and heavy scratches. The device may have BIOS Lock or have under 80% original battery. This does not affect the usability and performance of the device. Includes 12- . Completely redesigned from the inside out with all new custom parts, Surface Pro delivers more battery power, more performance, and a superior display. The stunning PixelSense display supports pen and touch, while the refined design provides 68% more battery life and 2.5X the performance of Surface Pro 3. A powerful Intel Core processor runs full desktop software with ease, ensuring a smooth, productive workflow.