If you have small holes in your ears, they may not fit. I usually use Skull Candy in-ear headphones with the smallest rubber eartips they come with. The smallest size that ships with the H2O is more similar to the medium size that ships with the Skullcandys.11/25/15 test update. deduct another star. I found some small ear tips from another pair of headphones that fit these. Now they fit my ears but they have very little bass. Given that the description says "Rich, full-range sound in an incredibly small package", I expected more from them.
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