text: Bluetooth exists in many products , such as the iPod Touch , Lego Mindstorms NXT , PlayStation 3 , PSP Go , telephones , the Nintendo Wii , and some high definition headsets , modems , and watches .
simplified: Bluetooth exists in many products , such as telephones , the Wii or PlayStation 3 . It has recently been built into some high definition watches , modems and headsets .