11-inch MacBook Air

11.6-inch (diagonal) high-resolution LED-backlit glossy widescreen display with support for millions of colors.
64GB or 128GB Flash Storage
 
Processor
1.6GHz dual-core Intel Core i5 with 3MB shared L3 cache
 
Memory
2GB or 4GB of 1333MHz DDR3 onboard memory
Intel HD Graphics 3000 processor with 256MB or 384MB  of DDR3 SDRAM shared with main memory

Wi-Fi
802.11n Wi-Fi wireless networking;5 IEEE 802.11a/b/g compatible
Bluetooth
Bluetooth 4.0 wireless technology