2. Dirt particles of ear stuck in ear phones?
You can easily get rid of those nasty dirt particles just using an ordinary toothbrush. Do not use sharp objects like a toothpick, it could damage your earphone.
3. Want new earphones just because of its dirty wires?
There is no need to buy another earphone; you can make your old new ones. All you need is a rubber. Rub the cords of your earphone with rubber and you would get them like you just brought them.