Whats the Speced out Macbook mid 2015 15inch

There is no 15" Mid 2015 MacBook model. Did you mean to say the MacBook Pro model instead?

If so, you can find its specs here: MacBook Pro (Retina, 15-inch, Mid 2015) - Technical Specifications

There is no such thing as a 15" Mid 2015 MacBook. Perhaps you have a MacBook Air or a MacBook. Pro.

There has never been a 15" MacBook model, only 13", 2006-2010, and 12" 2015-2017.