Apple MacBook Air MD711LL/A 11.6-inch Laptop Intel Core i5 1.3GHz 4GB RAM 128GB SSD.

Features:

• 1.3 GHz Dual-Core (Haswell) 4th-Gen Intel Core i5 Processor (Turbo Boost up to 2.6 GHz)
• 128GB Flash Storage, 4GB of Onboard 1600MHz LPDDR3 RAM
• 802.11ac Wi-Fi, Bluetooth 4.0; Up to 9 Hours of Battery Life, OS X