I'm looking for a pair of in ear headphones with a mic, for the iPhone 5, I had a pair of RHA MA600, the sound stopped from one earpiece, I think it was due to the jack/wiring, as when I twisted it around it would intermittently work.  Anyway, i'm thinking of buying another pair of RHA...

Can the 750i only be worn over ear?

    Can the 750i be worn in ear and not over ear? 

I recently had a pair of RHA MA600i however the sound stopped coming from the left earpiece due to a jack issue, only with 3 months of careful use.   I'm looking for a pair of in ear headphones that have a mic and volume can be adjusted similar to the RHA MA600i. I probably won't be going back...

I bought a pair of MA600 and within 3 months of careful use, there is no sound from the left earpiece. This is due to issues with the jack. I bought them from Amazon; when I contacted RHA over the 3 year guarantee they said it was invalid as the seller on Amazon was not an "authorised seller" of...