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45W MagSafe 2 Power Adapter with cable management MagSafe 2 power port.Built-in 50-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 Apple iPhone headset with remote and microphone.
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802.11n Wi-Fi wireless networking 3 IEEE 802.11a/b/g compatible.HDMI audio and video output using third-party Mini DisplayPort to HDMI Adapter (sold separately)ħ20p FaceTime HD camera Connections and Expansion.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).
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Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on an external display, both at millions of colors
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