Only used 3 times, selling because it was a gift and I don't use it.
Retina display: 13.3-inch (diagonal) LED-backlit display with IPS technology
2560-by-1600 native resolution at 227 pixels per inch with support for millions of colors
Scaled resolutions: 1680 by 1050, 1440 by 900, and 1024 by 640 pixels
2.6GHz dual-core ($1699 model)
Intel Core i5 processor (Turbo Boost up to 3.2GHz) with ...