Built-in 71.8-watt-hour lithium-polymer battery.

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.

Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted 'T' arrangement) with ambient light sensor.

Support for audio line out (digital/analog).Support for Apple iPhone headset with remote and microphone.Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately)Ĩ02.11ac Wi‑Fi wireless networking 3 IEEE 802.11a/b/g/n compatible.Apple Thunderbolt to FireWire Adapter (sold separately).Two Thunderbolt 2 ports (up to 20 Gbps).Support for 4096-by-2160 resolution at 24Hz.Support for 3840-by-2160 resolution at 30Hz.Support for 1080p resolution at up to 60Hz.Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately).VGA output using Mini DisplayPort to VGA Adapter (sold separately).DVI output using Mini DisplayPort to DVI Adapter (sold separately).Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on up to two external displays, both at millions of colors.Native resolution: 2560 by 1600 pixels (Retina) scaled resolutions: 1680 by 1050, 1440 by 900, and 1024 by 640 pixelsĢ.4GHz dual-core Intel Core i5 processor (Turbo Boost up to 2.9GHz) with 3MB shared 元 cacheĬonfigurable to 2.6GHz dual-core Intel Core i5 (Turbo Boost up to 3.1GHz) with 3MB shared 元 cache or 2.8GHz dual-core Intel Core i7 (Turbo Boost up to 3.3GHz) with 4MB shared 元 cache.Ģ.6GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB shared 元 cacheĬonfigurable to 2.8GHz dual-core Intel Core i7 (Turbo Boost up to 3.3GHz) with 4MB shared 元 cache.Retina display: 13.3-inch (diagonal) LED-backlit display with IPS technology 2560-by-1600 resolution at 227 pixels per inch with support for millions of colors.

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