The Second Peace of Thorn (1466) split Prussia into the western Royal Prussia, a province of Poland, and the eastern part, from 1525 called the Duchy of Prussia, a fief of the Crown of Poland up to 1657.
You can check to see if your computer supports Bluetooth: 1  Look for the Bluetooth icon in the menu bar. 2  Choose System Preferences from the Apple menu, then click Bluetooth. 3  From the Apple menu, choose About this Mac, then click More Info.
Bluetooth is a technology that makes short-range wireless connections between devices (such as your Mac and your mouse or keyboard) at distances up to 10 meters (33 feet). For more information on Bluetooth, see the official Bluetooth website.