Museums, gyms, hospitals and other establishments use Airline Earphones so customers can listen to audio presentations or devices without having to bring their own headphones. Disposable Earbuds Earphones are more about price than quality, so price is a major factor in getting the best headphones. Style is another factor, because the style has to be both comfortable and fit the establishment’s clientele. Size is important, because some Disposable Headphone are one-size-fits-all and others are a standard size. The audio type — whether mono or stereo — also is usually a factor, because some audio devices are better with mono, while others are better with stereo.