Lenovo IdeaPad Yoga 13 13.3-Inch Convertible 2 in 1 Touchscreen Ultrabook (59359564) Gray Intel Core i7-3537U ULV Processor (2.0 GHz) 8 GB DDR3 RAM 256 GB Solid-State Drive 13.3-Inch Screen, Integrated Intel HD Graphics Windows 8, 8-hour battery life