Capacity: 4GB Ram | 128GB SSD Features: Refurbished (see below for description) Aluminum enclosure Mac OS X version 10.10 pre-installed Intel 5th Gen Broadwell Core i5-5250U Dual-Core 1.6GHz CPU Max turbo frequency: 2.70GHz Cache: 3MB 4GB 1600MHz LPDDR3 RAM 128GB Solid State Drive (SSD) Intel HD Graphics 6000 Integrated audio with speakers Airport Extreme 802.11ac Wireless LAN Bluetooth Wireless 4.0 SDXC card reader Built-in 720p FaceTime HD camera with dual microphones Keyboard with multi-touch trackpad 13.3-inch LED-backlit glossy widescreen display (1366 x 768) I/O Ports: Two (2) SuperSpeed USB 3.0 ports Thunderbolt 2 port Headphone out mini-jack Battery Specifications: Lithium-ion Polymer type 54Wh Power Specifications: 14.5V --- 3.1A Unit Dimensions: 0.11 - 0.68 x 12.8 x 8.94-inches (H x W x D) Weight: 2.9 lbs. Package Includes: Apple MacBook Air 13.3" LED Notebook Mac OS X version 10.10 pre-installed AC power adapter This is a Refurbished Grade C Item, while this item has been tested to be in good working condition it will show signs of use and cosmetic blemishes, examples of which are: scratches, scuffs, dents, hairline cracks, dings, bright or dead pixels all of which do not effect the usability of the item.