1.

　　a) My favorite piece of equipment is my mobile phone. It is also known as a cell phone, a hand phone, or a pocket phone.

　　b) I am sure you are familiar with it, or even have one yourself.

　　2.

　　a) As the name indicates, it is a telephone that is carried on your person, and can be used wherever you go.

　　b) That is to say, you can make or receive calls while travelling, or while sitting in a net bar or restaurant.

　　3.

　　a) As far as for how long I have had my mobile phone concerns, I have had it for about two years now.

　　b) I received it as a gift from my parents on my 16th birthday.

　　There are several reasons as for why I would like to talk about my mobile phone specifically. Allow me to explain by mentioning some of them briefly.

　　4.

　　a) Firstly, over the past two years, my mobile phone has become an important part of my daily life.

　　b) What I mean to say is that I cannot imagine living without the advantages it presents. Allow me to explain.

　　5.

　　a) Secondly, over and above it being a communication tool, mobile phones have many additional uses.

　　b) For instance, one can obtain a great deal of information, like the weather forecast or the latest prices or the stock exchange, from your mobile phone.

　　6.

　　a) In addition, I would like to mention the fact that a cell phone is able to provide me with some security.

　　b) What I mean to say is that when I find myself in a difficult situation, I can call for assistance.