If your mouse stopped to work/move, you might have to re-pair the device with the USB-receiver.
[dvideo title=“Paring guide for Unimouse”]https://www.youtube.com/watch?v=GW0fyl_f6l4[/dvideo]
It could also be because the battery of the mouse that is too low. Remember to charge the Unimouse once in a while.
The charging cable looks like this:
