I ordered this product because I thought it would fit my MP3 player, but it is too big for most MP3 players. It is designed to hold your cellphone. The picture on the back of the box shows that it contains a Motorola Razor phone. If you need a armband for your phone this is probably a great product but I don't know anyone who needs to hold their phone while exercising. I would have sent it back but it was so cheap it would have cost more to ship.
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