for some reason its difficult to find sport earhook headphone that also have the volume and track control attachment . I can not live without the track pause control , the area where I jog be very social and I get tire of have to pull my bud off every time someone say hi , especially since I have to dig the iphone back out of its armband to start thing go again . for I a earloop be a necessity , everything else fall out as soon as I get above walk . these fit in the ear pretty well , I kind of have to push the bud in on the left side , but everyone 's ear be a little weird . one nice feature be the optional cord extender , its great to take off for jogging to keep the cable nice and short if you use a armband for you player , but you can pop it back on if you want to put the player in you pocket . sound quality be good enough , mostly I listen to radio and podcast , so it do not matter much to I . usually when I be exercise there be enough ambient noise I can not really notice , anyway . overall , I be happy with these so far .