--Apple MacBook Air Core i5-5250U Dual-Core 1.6GHz 13.3 LED Notebook --Grade B (see below for description)--General Features: --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 --256GB 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 --One (1) Thunderbolt 2 port --One (1) 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. WARRANTY: 90 Day WarrantyRETURNABLE: Yes