The all-new 13-inch MacBook Pro features a stunning Retina display with over 4 million pixels. An advanced all-flash architecture and the latest Intel dual-core processors and graphics make everything amazingly fast. It has OS X Mountain Lion, the latest release of the world's most advanced desktop operating system. And the incredibly compact design measures just 0.75 inch thin and weighs only 3.57 pounds. Two Thunderbolt ports for connecting high-performance devices and transferring data at lightning speed Two USB 3 ports (compatible with USB 2 devices) and HDMI FaceTime HD camera Multi-Touch trackpad Up to 7 hours of battery life OS X Mountain LionSpecifications Intel Core i5 2.5GHz Dual-Core Processor with Turbo Boost up to 3.1GHz 3MB Shared L3 Cache 8GB of 1600MHz DDR3L onboard memory 256GB Flash Storage 13.3-inch (diagonal) LED-backlit Retina display with IPS technology, 2560 by 1600 resolution Intel HD Graphics 4000 802.11n Wi-Fi wireless networking; IEEE 802.11a/b/g compatible Bluetooth 4.0 SDXC Card Slot 720p FaceTime HD Camera Integrated Stereo Speakers and Dual microphones Full-size backlit Keyboard with 78 (U.S.) including 12 function keys and 4 arrow keys (inverted T arrangement) with ambient light sensor Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities Connections & Expansions - MagSafe 2 power port, 2 x Thunderbolt ports, 2 x USB 3.0 ports, HDMI port, Headphone jack Battery - Built-in 74WHr Lithium Polymer Battery (up to 7 hours wireless web) Power - 100V-240V AC, 50-60Hz Unit Dimensions (HxWxD) - 0.75 x 12.25 x 8.62 inches; 1.9 x 31.4 x 21.9 cm Unit Weight - 3.57 pounds; 1.62 kg