describing an object (dialogue)

Henry: - Hi grandma! I have a new mobile phone !

Grandma: - Really? And what is a mobile phone?

Henry: - Oh, grandma... you don't know what a mobile phone is!

Grandma:- When I was young we didn't have mobile phones , Henry

Henry: Ok ... I will try to describe one for you.  it is a device that it is used for communicating with others ,  It is  also  used for surfing the internet and exploring  things, it is Samsung , you can also watch videos and take pictures

Grandma: -What colour is it?

Henry: My mobile phone is white but there are many colors: red, green, black and gold.

Grandma: - and what is Samsung ?

Henry: - samsung is a well-known mobile brand, there are also other brands: apple iphone, huawei, sony ...

Grandma: -What is it made of?

Henry: - mine is made of metal and plastic and fiberglass.

Grandma: - And how does it work?

Henry: - It has several functions you can use to call other people, send messages, you can also listen to music without end of things ...

 Grandma: - Wow, it's amazing that a rectangular thing does that!