Replacing the low-end, often-uncomfortable headphones bundled with most audio devices (MP3-players, Discmans, etc), EC2 Sound Isolation Earphones are decidedly high-end, high-tech earpieces at an appropriately high price.
Made by Shure, the professional's brand of choice for stage and recording gear, EC2s are consumer versions of the personal monitors used by lead singers at rock concerts allowing them to wander far and wide, across the stage and down the aisles (wirelessly, in such cases) but still hear themselves and their band mates keeping it all in key (or not) while avoiding feedback. EC2s snuggle deeply into one's aural cavities, thereby blocking out almost all external noise while delivering superb, studio-quality audio.
Just like on the rock star version, EC2 wiring snakes unobtrusively down behind your head and into your preferred audio device.
Now you can turn a deaf ear to your screaming fans too--or the wackos on the bus, at least.