Don't use in-ear headsets !
They are TERRIBLE for your ears, big time.
Over here in the UK, serious research has shown that they are incredibly bad for your hearing.
Any earphone device that needs to be pumped to volumes which drown out background noise are going to do permanent damage to your hearing - the facts are out there.
Use earphones which cover the ear, rather than invading it - seriously, sticking mini-plastic speakers into your ears isn't a good idea.
I'm slowly seeing the in-ear phones dying out over here in the UK, in favour of more modern headphones, some of which are way cooler than looking like your hard of hearing.
Clip overs are pretty cool - the ultimate would be wireless ones, but I'm not sure whether they exist yet?
Heck, I've seen seriously retro teens here with huge f@ck-off headphones right out of the 70's - better quality sound, I'm told.
So yeah, screw the horrible "ear buds" and get yerself some more retro portable ear gear ...