UPDATE
So I finally solved the problem! My problem described above seems to occur only on HP notebooks and has to do with a software conflict.
Each HP notebook owners:
Close all applications and then simultaneously press the Windows and R key. This opens the input mode. Register here "msconfig" and press "Ok". Now in the "System startup" uncheck "HP Quick Launch" wegmachen! The program bites with the Bluetooth device and occurs probably also with Bluetooth mice from Microsoft. HP Quick Launch works after the change still further as normal!
Now I'd give the product 4/5 stars, it can not change, unfortunately!