Apple Wireless Magic Keyboard 2 comes with Bluetooth wireless technology. It has up to a 30-feet operating distance. It comes with a 78-key layout. It combines a sleek design with a built-in rechargeable battery and enhanced key features. With a stable scissor mechanism beneath each key, as well as optimized key travel and a low profile, Magic Keyboard provides a remarkably comfortable and precise typing experience. It pairs automatically with your Mac, so you can get to work right away. And the battery is incredibly long-lasting — it will power your keyboard for about a month or more between charges. It is compatible with a Bluetooth-enabled Mac computer with OS X 10.11 or later. It has no warranty.