Describe how a cell phone works so a 12 year old could understand it?

A cell phone is a communication device that lets you talk to someone no matter how far away they are.  You can store information in this device even send messages by typing somewhat like a computer.  Every cell phone has a number and by dialing a specific number that determines who you want to talk to.  They can be used for a number of things, whether it’s to call someone, look up information, or even send a text message.  There are many types of cell phones and they all work in different ways, but all of them have a keyboard that allows you to type numbers and letters.  They have different phones for different kind of people and depending on what you looking for in a phone.  Some people, like parents would like a simple phone mainly used for calling.  Where on the other hand kids wants a phone that does it all including internet, texting, and many others.  The main reason for having a cell phone is to be able to communicate with someone no matter where you are.