Headphones with an MP3 player built in aren't a new concept by any means, but they haven't gained much ground in the market. It's a bit of a shame, really, as this form factor allows users to do away with the wires that are necessary to connect a standard pair of headphones to an MP3 player. However, many models have failed to offer superior sound quality or comfort, so perhaps it shouldn't come as a surprise that the concept hasn't caught on that well. Still, the appeal of an all-in-one design may be enough to help you overlook any possible shortcomings.
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