I've had these headphones for a little over 2 months and they are great! I'm not sure why there are so many negative reviews but I've waited a while to post a review here to see if there are any cons with this product. So far I have no complaints. It works well, holds a charge (I usually swim at least 90 minutes), it can be easily submerged in water. I use it for swimming and swimming. Uses MP3 files, so you'll want to convert music, but it's not hard. iTunes allows you to convert any AAC song to MP3. When connecting, simply drag and drop into the folder - very simple. Both headphones work for me, the sound is good. Before you go into the pool, you should read the instructions carefully to know which button does what. I keep the tempo up so I don't have time to adjust the volume or switch songs, so I don't use that feature anyway. The earbuds fit my ears and they come with a couple of other earbuds to make sure they fit snugly. It has really made a big difference in my training. I feel more motivated to train hard and good music is more fun than jogging. I'll update if there are any issues, but right now I can't think of anything that needs improvement.
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