About my keitai

I have two keitai. One is red, and it is DoCoMo. I look at the mobile site how long, this keitai's price is a constant sum. Another is light blue, and it is au. This keitai is for exclusive use of my boyfriend. So, the charge of telephone for him and email are free. I sometimes make a mistake in operation of each keitai because they have some difference of how to use. The function and purposes to use of each keitai are different. So, it is very convenient for me to have two keitai.(96words)