apple 2012 macbook air 13inch brand new sealed 1.8Ghz i5 4GB 128GB MD231B/A very thin an light ?

i have a 2012Apple Macbook air 13.3inch brand new sealed for only 779 this machine is retailing in the Apple Store for 999 call/text today 0770 778 1381 - 1.8ghz intel core i5 dual core processer - Turbo boosts to 2.8ghz when required - 4gb memory RAM - 128gb FLASH STORAGR - Thunder bolt - apple UK machine with UK keyboard and design - Latest mac OS X10.8 Mountain Lion - Full one year Apple Warranty