Macbook Air 13.3 (mid 2009)
CPU : C2D 1.86Ghz 6MB Cache (SL9400)
RAM : 2GB DDR3
Hard disk : 128GB SSD
Display : GeForce 9400M 256MB
Screen : 13.3(1280 x800)
Wifi : 802.11 a/b/g/n
90% new 100% work
OS : 10.10.3
for detail: http://www.everymac.com/systems/apple/macbook-air/specs/macbook-air-core-2-duo-1.86-13-mid-2009-specs.html