Product Description MacBook AIR 11” MD711AIntel Core i5 1.3 Dual Core – Turbo boost up to 2.7 GHz / 4GB 1600 MHz LPDDR3 SDRAM / 128 GB PCIe based Flash Storage / Bluetooth / Camera / WIFI / Intel HD Graphics 5000 / 11” Screen / OS X Mavericks. SpecificationsBrandAppleItem Weight1.1 KgProduct Dimensions19.2 x 30 x 30 cmBatteries:1 Lithium ion batteries required. (included)Item model numberMacBook Air 11″SeriesMacbook AIR MD711Form FactorUltraThinScreen Size11.6 inchesProcessor BrandIntel®Processor Speed1300 MHzProcessor Count2RAM Size4096 MBComputer Memory TypeDDR3 SDRAMHard Drive Size128 GBGraphics Card DescriptionHD Graphics 5000Wireless Type802.11A, 802.11 A/C, 802.11B, 802.11G, 802.11nAverage Battery Life (in hours)9 hoursLithium Battery Energy Content35 watt_hoursLithium Battery Packagingbatteries_contained_in_equipmentLithium Battery Weight300 Grams