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Sweat and water resistant
Eafin holding system provides a secure fit during workouts
High-output drivers for energizing sound
DuPont Kevlar reinforced cable for unmatched sound
Generous 2-year guarantee
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We partnered with Adidas on ergonomic design for a precise and comfortable fit. A unique moisture-resistant materials wicks away sweat and rain.Dynamic Sennheiser transducers deliver true sound performance. Designed for extreme movement. Flexible materials absorb shocks and strain.
Most Helpful Customer Reviews
I have to admit that I was dubious of these when I first saw them. Ear fins do not seem like they would be comfortable, and I could see how it would be a problem. At first it was a little strange, but after using them for a while I do not even notice the fins anymore. The sound is good for ear buds that are only used to work out, and I actually use them just walking around. The bright yellow is a little intense for my tastes, but nobody really seems to notice unless I point it out. These work great for what they were intended for. The extension cable does not degrade the sound enough to matter at all, I actually did not notice any degradation, and since I do not own a iPod Shuffle, some of the reported problems with that system (which seem like a design flaw that that product more that this one) do not exist for me. Very happy with this purchase overall. It should be noted that those who are worried about different size ears should be able to find something close to their size in the...
The MX680s sound OK, but the volume control is a real deal killer. The clip on the volume control is worthless so the volume control ends up swinging around and eventually pulls the ear buds out of your ear. You can unplug the volume control, but that leaves you with a cord that is too short if you are wearing your player on your waist or in a pocket. So the headphones would be great without the volume control, but that option is not available. I'm looking for a new replacement now.
Sennheiser sent me these as a warranty replacement for my MX75s. I loved the MX75s, but they eventually corroded to the point where one ear bud wasn't working.
Cons: Earfin is a bad take on Sennheiser's original "Twist-to-fit" system. Soundquality is quite terrible.
First of, these headphones look GOOD. The bright yellow and black color scheme is sexy. The build quality is quite good. Very nice attention to little details like the logo of "Sennheiser" on one side of the cable splitter and "Adiddas" on the other.
The MX 680 come with many accessories, different sizes of the earfins and the rubber around the earbuds. Foam socks. And the thick and rugged carrying case.
I own the MX75 (1st generation of Senn's sport line). I liked the original "twist to fit" system much better, because instead of a sharp "fin", they used round little wheels that roll much nicer against your ears and does not poke.
The earfins is very soft and at times does not offer enough stiffness to keep the buds in my ears...
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