These are individual earphones without a headband that push into the ear-canal comfortably. Once these are properly seated in, they use the ear-canal as a sealed acoustic bass chamber, encapsulating your music perfectly. With every earphone you usually get 2-5 different sized ear tips
, that provide an optimum fit.
These traditional styled earphones rest just against the outside of, are not inserted into the ear-canal. These are the kinds that are usually bundled along with your mobile phones or MP3 Players. Now you know there actually is a difference between earbuds and in-ear-canal earphones.
Also known as supra-aural headphones, these are headphones with earcups that rest on the earlobes and not around it. Thus, it is very difficult to achieve noise isolation levels with on-ears. These tend to be lightweight and smaller as compared to circum-aural headphones.
Over-Ear headphones or circum-aural headphones are those with ear-cups that encapsulate your ear very well shutting out as much noise as possible. These may have larger transducers and produce better sound-quality including better bass. With your ears being totally enclosed you can rest assured you’ll hear every nuance in the audio playback.
Intended for active users, 'Clip-On' headphones (also called 'ear-clip') attach to the flap of your ear with a small lever that looks like the earpiece on a pair of eye glasses. Despite their somewhat odd appearance, clip-on headphones can both sound good and feel secure and comfortable to wear. You can hear ambient noise in your surroundings if you don't play your music too loud.
These headphones have a band that connects the ear-cups/in-ear canal phones and rests on your neck or behind the head rather than going over the head. These give the most secure fit and offer a lot of portability.