The use of cell phones, or call in his mouth. "Mobile"
.A communication device called a widely popular. And easy access in the world at present. It has the issues debated in terms of health problems is not.To hear and speak through a microphone inside the machine. When the conversation continued for a long time. The user will feel the heat. Including the principle of microwave signals applied to mobile phones.The use of mobile phones in the 5-6 years ago. To communicate to talk in general. But at present many technology was included in the mobile phone. For convenience and utility.Photography, the document information, including TV, movies, listening to music, playing various games. These technologies make the user must look mobile screen more and more interesting of วัยรุ่นมาก.
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