A wired mouse directly connected to your computer with a cable.
It plugs into one of the ports on your computer, and can be disconnected if you decide you wish to change mouse.
All hand movements are sent along the wire which causes the cursor to move on screen.
A bluetooth mouse connects wirelessly to your computer.
You have to connect it to your computer from your computers setting or with a USB dongle which plugs into one of your computers ports.
All hand movements are sent wirelessly to the computer which causes the cursor to move on screen.