Mobile phones are very necessary things nowadays. Mobile phones nowadays are a part of our life. Today you can hardly meet anyone without a mobile phone. New technologies give us a more and more new features. We get used to it and become addicted. They become not only a mean of communication but the center of communication with colleagues and friends. They entertain us when we are bored. And even help to save lives. But in using mobile phones there are some pros and cons. As positive side of mobiles is constant being flexible and everyone can find you anytime. But there are also some negative aspects such as radiation from mobile phones, you need constantly recharge it and there are some places where we cannot use our mobiles. Also we need to say that it is not very cheap to use mobile phone. But it is very convenient to use internet via mobile phone or call somebody for help. Mobile phones may cause visual impairment, or to be the reason of memory impairment.