"comfortable, very good sound, do not fall off when running, band goes behind head so you cannot rest your head on anything if you are sitting down Good sound, awesome fit, the cable is made out of nice material..."
"the reason i have 2 pairs is that i bought them together, i wouldn't make the same mistake twice) Good sound quality / comfortable Right speaker popped..."
"Its so bad they are use able only..."
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Amazon.com: sennheiser pmx 680
Sennheiser OMX 680 In-Ear Sports Earclip Headphone with Volume Control and Adjustable Earclips by Sennheiser...