MarC, of the healthy lifestyle and fitness site HangTight with MarC, reviewed the Koss Fit Series Headphones. MarC tested out the FitClips and FitBuds during some of her workouts. To read her full review, visit her blog, Hang Tight with MarC, http://www.hangtightwmarc.com/?theknow=koss-fitseries-review-fitbuds-fitclips