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

Chip: 

-1.6GHz dual-core Intel Core i5 (Turbo Boost up to 2.7GHz) with 3MB shared L3 cache

Memory: 8GB of 1600MHz LPDDR3 onboard memory

Storage: 128GB PCIe-based flash storage | 256GB PCIe-based flash storage

Graphics & 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 colours. 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)

Wireless:Wi-Fi 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible | Bluetooth Bluetooth 4.0 wireless technology.

Camera: 720p FaceTime camera

Audio: Stereo speakers Dual microphones 3.5 mm headphone jack. Support for Apple iPhone headset with remote and microphone

Battery: Up to 12 hours wireless web. Up to 12 hours iTunes movie playback. Up to 30 days of standby time. Built-in 54-watt-hour lithium-polymer battery. 45W MagSafe 2 Power Adapter with cable management; MagSafe 2 power port

Dimensions (cm) / Weight (Kg): H 0.3-1.7 x W 32.5 x D 22.7 / 1.35

Software: macOS Sierra