Product FeaturesRetina display with 2560-by-1600 resolutionFifth-generation dual-core Intel Core i5 processorIntel Iris GraphicsUp to 9 hours of battery life1Faster flash storage2802.11ac Wi-FiTwo Thunderbolt 2 ports for connecting high-performance devices and transferring data at lightning speedTwo USB 3 ports (compatible with USB 2 devices) and HDMIFaceTime HD cameraPages, Numbers, Keynote, iPhoto, iMovie, GarageBand includedOS X, the world's most advanced desktop operating system1 Battery life varies by use and configuration. See www.apple.com/batteries for more information2 Compared with the previous generation.