Macbook 13 inch (MA699LL/A) 1.83 GHz Intel core duo - late 2006 model , it has been updated to OS 10.7.5 lion . I have also installed iLife 2008 bundle software.. new battery. 3gb ram... Sata 160 gb (7200 )hd it has couple minor chips as seen in the picture and some scuffs it is also missing some screws.