Air canal / Earphone / Air canal / Earphone

Ear canal sizes are different for everyone. However, earphones currently in use have been standardized, which makes it difficult to satisfy ear canal sizes of different people. Everyone must have experienced the following inconveniences when using earphones. When doing something active like exercising, earphones that are smaller than ear canals easily fall out and bigger earphones can cause pain.
An airbag located in the center of the earphone is used to fix the earphone in everyone's ear canals. Inconveniences of earphones falling off, having to adjust earphones according to the size of an ear or earphones causing pain can be minimized.