Since I wanted to have little cable on the desk on my iMac and have been waiting for an Apple Keyboard with Numeric Keypad, Apple offers but nothing, I decided for Kanex keyboard. She was not as high quality as the original Apple keyboard (USB) but served its purpose. As a nice feature it can be linked with iPad and iPhone. The keyboard can be set up relatively quickly; But: if you use Boot Camp (for Windows), you should advance the Mac once with Windows start the pairing here first to make; otherwise is a when logging in Windows without keyboard are. 1 star deduction I give for not so high-quality workmanship