Computer mouse.

A computer mouse is very important for a person. It is use to hoover and move around the cursor you see in the computer monitor. It will be very hard for a regular person to use a computer or a laptop without a mouse. Specially designers need a mouse to be able to move around with the cursor accurately. A computer mouse varies on the size of it. There are small sizes of computer mouse and there are also large and medium sizes. Usually computer mouse has a wire that has an end of a usb plug. The wired mouse obviously does not require any battery. Few years back, designers and inventors made a mouse that is smaller than usual size of a computer mouse but now its wireless. It is pretty handy but the only problem is you will need to have a battery in order to make the mouse work. I prefer wired mouse because wireless mouse drains battery fast and it usually does not work accurately. In my experience, wireless mouse has faster sensitivity meaning the cursor moves faster than usual even with a slight touch. Wired mouse is a lot cheaper, you will not require to buy loads of battery just in case the battery drains off.
In my opinion, computer mouse is a great idea for people who uses desktop computer. In a laptop situation there is a keypad that you can place your finger and move it around for the cursor to move.