Late 2011 MacBook Pro laptop by Apple Includes near-new Apple charger 13.3" display OS X El Capitan (version 10.11.6) 4gb RAM (2x2gb) 2.4 ghz intel i5 processor 500gb hard drive CD-ROM (read and write CDs and DVDs) NOTE: Hootsuite sticker on top cover illuminated by Apple logo This is in great working order however Apple updates will not longer update any models 2012 and earlier. The installed OS is the most up to date this machine will use.