I bought this product to reduce the monotony of swimming. It's great that it has Bluetooth, MP3 and FM radio. Unfortunately, Bluetooth doesn't work really well when swimming. I know that the capabilities of this type of product are limited, but any type of water that gets on it will distort the reception. Freestyle doesn't work very well and anything on your back forget it. I swim in a 25 meter pool with my phone in the middle and swim along the edge so distance is not an issue. But in general mp3 works fine. The in-ear fit is great, but the earcups are easy to remove if you adjust them frequently. I took another reviewer's advice and used some sort of glue on the very flimsy cable connections to try and prolong their lifespan. Haven't tried the radio in the water yet but will try to update when I do. All in all a very good product and would buy again.
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