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Sennheiser: Train and run in total comfort, the Sennheiser/adidas OMX 680 Sports clip-on earphones make for an excell… | Sennheiser, Sennheiser headphones, Earphone
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Amazon.com: Sennheiser MX 680 Sports Earbud Headphone with Volume control & Earfin Clips (Discontinued by Manufacturer) : Electronics
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