my favorite technology device is a smart phone

The smart phone is my favorite device, because is really useful for my daily routine. With Internet on my phone I can check my mail, listen music, I can study documents of the university, I can watch movies, I can call other people, I can read a book in it, I can talking with other friends on social networks.
My smartphone come with me all the time, if I forgot it on my house, I go back for look for it.
In summary, the smart phone I consider a great tool for my daily activities, is very versatile and useful for the University, I communicate with my friends or my teachers for the class, and I can work with him for my study.