Lenovo IdeaPad Yoga 13 13.3-Inch Convertible 2 in 1 Touchscreen Ultrabook (Gray) Intel Core i3-3227U ULV Processor (1.9 GHz) 4 GB DDR3 RAM 128 GB Solid-State Drive 13.3-Inch Screen, Integrated Intel HD Graphics Windows 8, 8-hour battery life