How to clean earplugs?

Method 1: For headphones that have not been used for a long time or are not too dirty:

Use a pencil eraser to wipe the dirty place, and then use a hot rag (or a rag with alcohol) to wipe it clean.

Method 2: For earphones that are difficult to clean:

First, put the earphones to be cleaned into a small plastic bag orderly, and spray the foam cleaner for cleaning the car interior into this plastic bag with earphones. You can spray more white foam to cover the whole earphone; Then gently rub the earphone sprayed with detergent with your hand, rub it several times, and then leave the earphone for two hours; After two hours, take out the earphone and wipe off the surface residue with a paper towel or rag. At this time, the earphone will be as good as new and all the dirty things will be cleaned up.