part i : November 2011 I have be run all summer 2011 in some old sennheiser pmx80 - 3-5 mile , 3x per weak , plus headphon all day while work and commute . when they break , I try to replace they but the new pmx80 I get be total garbage . they break after about 2 week , cause I to switch brand . I hunt around on the internet , read all the run forum and product review , and discover these philip headphone . they arrive , and I immediately put they to work at a renew intensity , training and commute in they daily -lrb- I live in NYC , so I be on the subway on a near daily basis -rrb- . the headphone be lightweight , and do not have any stupid volume control or modular cord or any of that nonsense which tend to just get in the way or create another point of failure as you see on the some of the more expensive headphone which seem to sound identical . for run , they offer a very comfortable fit , but sweat buildup can cause the volume to decrease temporarily or fully short out , despite the claim of be `` waterproof . '' the sound be okay , although the bass could be richer . I listen to a lot of Southern hip hop when I run -lrb- rip DJ Screw and my dawg pimp c -rrb- , and the low could be fuller . still , the clarity be good , and they let in enough background noise to not be unsafe . the jack be the straight kind -lrb- not l-shaped -rrb- which I think actually decrease wear on that most fragile point of nearly any headphone . I typically connect to a Android EVO , with a top audio port . a l-jack would therefore constantly be bent , cause the wire to fail that much sooner -lrb- as happen with my old sennhaiser set -rrb- part ii : May 2012 after about 6 month of heavy use , the right channel totally fail , cause by a weakening of the wire immediately near the headphone port . not too surprising , as the weight of the Android and a few fumble where the headphone cord eat the full weight of be yank out weaken the cord over time . still , this be hardly a new problem for headphone engineer to solve , and lower my review one full star . I do more research , and determine that nearly every pair of `` sport '' `` performance '' `` endurance '' `` training '' or `` gym '' headphone all have a sizable amount of 1-star review by people claim to have break they in a matter of month . especially the $ 80 - $ 100 one . with that in mind , I opt to simply replace my philip with a identical pair . for the price and amount of abuse and high functionality , I have neither try nor read about a better pair of headphone for this application . if a $ 30 pair of headphone last 6 month , no big deal . I would be piss pay 3x as much , but at $ 5 a month , I can not be that upset . when a pair of indestructible , high-quality headphone cost $ 100 + appear , I will be eager to buy at the first opportunity . until then , these seem to be the best low-mid range athletic headphone there be . tl ; dr : do the trick , but like all headphone , will probably break after 6 month of serious use . Worth the money , but do not expect miracle .