This unused early 2015 MacBook Air was given to me as a gift about a year and a half ago, but it was never actually used by myself either, as I had already bought myself a MacBook Pro. No box or charger, but the laptop itself is in brand new condition (49 battery rotations). Display 13.3-inch (diagonal) LED-backlit glossy widescreen display with support for millions of colors Supported resolutions: 1440 by 900 (native), 1280 by 800, 1152 by 720, and 1024 by 640 pixels at 16:10 aspect ratio and 1024 by 768 and 800 by 600 pixels at 4:3 aspect ratio Storage 128GB 128GB PCIe-based flash storage 256GB 256GB PCIe-based flash storage Configurable to 512GB flash storage. Processor 1.6GHz dual-core Intel Core i5 (Turbo Boost up to 2.7GHz) with 3MB shared L3 cache Configurable to 2.2GHz dual-core Intel Core i7 (Turbo Boost up to 3.2GHz) with 4MB shared L3 cache. Memory 4GB or 8GB of 1600MHz LPDDR3 onboard memory (8GB maximum) Battery and Power Battery cycle count: 49 Up to 12 hours wireless web Up to 12 hours iTunes movie playback Up to 30 days standby time Built-in 54‑watt‑hour lithium‑polymer battery 45W MagSafe 2 Power Adapter with cable management; MagSafe 2 power port Size and Weight Height: 0.11-0.68 inch (0.3-1.7 cm) Width: 12.8 inches (32.5 cm) Depth: 8.94 inches (22.7 cm) Weight: 2.96 pounds (1.35 kg) Graphics and Video Support Intel HD Graphics 6000 Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on an external display, both at millions of colors. Thunderbolt digital video output Native Mini DisplayPort output DVI output using Mini DisplayPort to DVI Adapter (sold separately) VGA output using Mini DisplayPort to VGA Adapter (sold separately) Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately) HDMI audio and video output using third-party Mini DisplayPort to HDMI Adapter (sold separately) Camera 720p FaceTime HD camera Connections and Expansion Two USB 3 ports (up to 5 Gbps) Thunderbolt 2 port (up to 20 Gbps) MagSafe 2 power port SDXC card slot 3.5 mm headphone jack Wireless Wi-Fi 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible Bluetooth Bluetooth 4.0 wireless technology Audio Stereo speakers Dual microphones 3.5 mm headphone jack Support for Apple iPhone headset with remote and microphone Keyboard and Trackpad 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 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 Electrical and Operating Requirements Line voltage: 100-240V AC Frequency: 50Hz to 60Hz Operating temperature: 50° to 95° F (10° to 35° C) Storage temperature: -13° to 113° F (-25° to 45° C) Relative humidity: 0% to 90% noncondensing Operating altitude: tested up to 10,000 feet Maximum storage altitude: 15,000 feet Maximum shipping altitude: 35,000 feet Operating System macOS Sierra macOS is the operating system that powers everything you do on a Mac. macOS Sierra introduces Siri to Mac4 — along with new ways to enjoy your photos, shop more securely online, and work more seamlessly between devices. Accessibility Accessibility features help people with disabilities get the most out of their new MacBook Air. With built-in support for vision, hearing, physical and motor skills, and learning and literacy, you can create and do amazing things.