Used Apple Macbook Pro, mid 2012. Contains an install of Logic Pro 9 as well as the complete, boxed set of CD's for the program. Works with modern audio interfaces such as the Universal Audio Volt 2. New LCD display and glass bezel earlier this year. Battery is in really good shape, holds a charge for a long time. Keys and trackpad are all in excellent condition. Comes with Mt. Lion MasOS. Comes with power adapter.