If you need a stylish, portable and powerful laptop then you will find everything you need in this Macbook Air. Compared to its predecessor, this model has effectively the same external enclosure, but it has a much more efficient processor and architecture -- which results in significantly improved battery life as well as faster graphics (that reserve more system memory), faster storage, and faster Wi-Fi.Features:Used (see below for description)Aluminum enclosureMac OS X version 10.9.5 pre-installedIntel Core i5-4260U 1.4 GHz dual-core processor2.7 GHz Max Turbo Frequency, 3 MB Intel Smart Cache4 GB 1600MHz LPDDR3 RAM256 GB Solid State Drive (SSD)No optical driveIntegrated Intel HD Graphics 5000Integrated audio with built-in speakersDual microphonesAirport Extreme 802.11ac Wi-Fi networking (IEEE 802.11a/b/g/n compatible)Built-in Bluetooth 4.0 wireless TechnologyBuilt-in 720p FaceTime HD cameraKeyboard with multi-touch trackpad13.3-inch LED-backlit glossy widescreen display (1366 x 768 resolution)I/O Ports:Two (2) SuperSpeed USB 3.0One (1) ThunderboltOne (1) Headphone out mini-jackBattery Specifications:Lithium-ion Polymer type38WhPower Specifications:14.85V --- 3.05AUnit Dimensions:0.11 - 0.68 x 11.8 x 7.56-inches (H x W x D, approximate)Weight: 2.38 lbs.Package Includes:Apple MacBook Air Core i5-4260U Dual-Core 1.4GHz 13.3" LED NotebookPower adapterThis is a Professionally Used item. While this item has been tested to be in great working condition, it will show minor signs of use and cosmetic blemishes which do not affect the functionality of the item.