Apple Wireless Keyboard

[1] It interacts over Bluetooth wireless technology and unlike its wired version, it has no USB connectors or ports.

Unlike the wired keyboard, there are no USB ports to connect external devices.

Unlike the previous version, the Wireless Keyboard now has a layout similar to the MacBook.

The power button has been relocated to the right side of the keyboard, and the layout does not include a numeric keypad.

keys as standard function keys" Although Apple includes support solely for Macintosh computers, it can also be used on a Microsoft Windows PC providing that a Bluetooth receiver and appropriate Bluetooth stack is installed and properly configured.

Apple Wireless Keyboard (A1016)
The wireless keyboard matches the Apple Keyboard's slim profile
German Apple wireless keyboards
German Apple Wireless Keyboards 2nd generation (top) and Apple Magic keyboard (bottom)