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" Fold these up to keep in your purse and unfold and lock into place when you&amp;#039;re ready for exercising. Our testers described them as lightweight and loved their retro style. The HP-550F also has in-line volume control for easy usage. maxell-usa.com  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.goodhousekeeping.com/electronics/headphone-reviews/a15804/maxell-hp-550f-headphones-1126/>