Display

Retina display : LED-backlit display with IPS technology

Native resolution : 2304 x 1440

Size : 15 inch

Processor

Type : Intel

Speed : 2.2Ghz

Model : Quad-Core i7

Memory

Capacity : 16GB 

MHz : 16000Mhz

DDR : DDR3L

Storage

Capacity : 256GB

Type : SSD

Graphics

Intel Iris ProGraphics

Connections and expansions

Two USB 3 ports (up to 5 Gbps)

Two Thunderbolt 2 ports(up to 20 Gbps)

HDMI port

Headphone 

SDXC card slot

Wireless

Wi-Fi : 802.11ac Wi-Fi wireless networking;IEEE 

Bluetooth : Bluetooth 4.0 wireless technology

Audio

Stereo speakers : Yes

Microphones : Dual Microphones

Headphone jack : 3.5 mm headphone jack

Webcam

720p FaceTime HD 5.1 MPcamera

Operating system

OS X El Capitan

Battery

Wireless time : Up to 30 days standby time 

i tunes movie play black time and standby time : Up to 12 hours iTunes movie playback

Size and Weight

Height: 1.8-0.71 inch

Width: 14.13 inches

Depth: 9.74 inches

Weight: 2.02 kg

Colour : Silver