The Apple keyboard with numeric keypad A1243 (UK keyboard) features an elegant, ultrathin anodized aluminum enclosure with low-profile keys that provide a crisp, responsive feel. It also has function keys for one-touch access to a variety of Mac features such as screen brightness, volume, eject, play/pause, fast-forward and rewind, Exposé, and Dashboard.Compatible with iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini and Mac Pro. A grade: Pre-owned with some signs of wear but fully tested and working.