15.4 Retina Display 2015. 2.5GHz Base - 3.4GHz Turbo. OS Monterey, Mojave, Catalina, Big sur.2- USB 3.0 Ports. This item is in the category "Computers/Tablets & Networking\Laptops & Netbooks\Apple Laptops". The seller is "alliedglobaltech" and is located in this country: GB. This item can be shipped to United Kingdom.