Apple MacBook Air MJVM2LL/A 11.6-Inch Laptop (1.6 GHz Intel Core i5, 128 GB SSD, Integrated Intel HD Graphics 6000, Mac OS X 10.10 Yosemite) 1.6 GHz dual-core Intel Core i5 (Turbo Boost up to 2.7 GHz) with 3 MB shared L3 cache 4 GB of 1600 MHz LPDDR3 RAM, 128 GB PCIe-based flash storage 11.6-Inch (diagonal) LED-backlit Glossy Widescreen Display, 1366 x 768 resolution Intel HD Graphics 6000, Bluetooth 4.0 Mac OS X 10.10 Yosemite, up to 9 Hours of Battery Life