The best running headphones I've ever used
The sound is astonishingly good and loud. The 680i had the best bass of any earbuds I had used, but the highs were lacking. These improve the sound quality immensely at all ranges and are LOUD with little distortion. The 680i were the most comfortable earbuds i'd ever used, and the 685i is just as good.
My only complaint compared to the 680i is there is no longer a breakaway cord. The in line controls are pretty high up towards the ear (previously I just removed them).
Noticeable improvement to already great sound quality
Yes. These are hands-down the best headphones for running we've ever used. It's not even close anymore.
They could be a little more comfortable, but they're not bad at all. They sound so good, and fit so securely, that they will be anchored to our skulls on all of our upcoming runs.
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