MacBook Air 13" in great condition for $620. Here's some more detailed info:

Comes with its original box, charger, plastic wrapper, etc.
Processor: Intel Core i5 1.8 GHz
Memory: 4 GB 1600 MHz DDR3
Graphics: Intel HD Graphics 4000 1024 MB
Storage: 128GB SSD

If you have any questions, please feel free to email me directly at k.akhlaghi@gmail.com (preferred).