If you’re looking for the best running earphones, you have a lot more choice now than there used to be. However, defining ‘best’ is going to be a personal experience, since no two ears are exactly alike and manufacturers are trying to hedge their bets by making earphones that adapt to a variety of different sports activities.
At the very least, the best sport earphones should be sweatproof, or waterproof. They should have good noise cancelling or, at least, sound isolation capabilities and they should stay in your ears no matter what you get up to.
If you want a pair of wireless headphones, check out the Jabra Sport bluetooth running head set. Otherwise, read on.
The Sennheiser CX 680i has received very good reviews on all counts. They are sweat proof, sound isolating, stay in most people’s ears well and comes with a mic + remote, so you can answer your phone on the go.
If you are an audiophile, then check out this review of the Sennheiser CX 680i on HeadphoneInfo. They not only give you some useful pointers but they also compare its sonic qualities against other competitors.
I particularly like the photo where they show you exactly what these headphones look like in a plastic ear. I wonder where they get the plastic ears from? Are their mannequins out there missing them?