MacBook This is an A1370 (mid-2011) model. The only included accessory is the AC adapter. Windows 10 is installed in an initialized state. If you wish, it can be changed to Mac OS X Snow Leopard. The battery is deteriorated and cannot be used. Also, there are scratches on the back and missing screws in some places. This is being sold as a junk item. Please cooperate with no claims and no returns. If you have any questions, please feel free to ask in the comments.