Sennheiser and Adidas worked together to create. Sennheiser product manager Eric Palonen showed off some earbuds that include an "ear fin," saying that "we took a lot of the weaknesses of a typical headphone and made them a strength for the sports community." The ear fin, a small rubber extension near the ear pieces, keeps the phone from falling out of your ear. They also have water resistant cables that you can wash when dirty.
They range in price from $80 to $120. While these weren't 't the most exciting technology at the show, they are definitely handy, especially for runners. Adidas has created a device called "MiCoach pacer" that plugs into your MP3 player and headphones to track your heart rate and provide real-time audio feedback.
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