Finally, the use of smart phones, it can affect the body. Because the machine is compact smartphone. Font is small. Makes it difficult to screen Many people have drooping
And finally, using a Smartphone, it can affect the body as a machine, the Smartphone is small. The letters are small. Keep looking at the screen difficult. Many people need to bend the neck
And finally, use a smartphone, it can affect your body, because it is a small letter, smartphones are small in size, with so many people looking at the screen difficult to fold the