good trait . - they do take get use to , but if they be free around you neck they stay in fine . - sound quality be fine for run headphone - if you need to hear you surroundings , you can always invert they and they hand above you ear . bad trait . they do NOT last . I have one pair for about 6 month and one of the bud just go dead after it fade in and out for a week . I like the functionality so I get another pair , and it also last about 6 month until they have the same problem . the left bud just die , happen to both pair , seem to be a fault of the product that the same thing happen twice . not good enough life for the price . I 'll be try something different .