The Refurbished Beats by Dr. Dre PowerBeats Sport Headphones feature an in-ear design with an over-the-ear hook that's perfect for sports or traveling around town. Built-in subwoofer and midrange tweeter pump out massive bass, ultra smooth vocals and clear, crisp highs. 
Refurbished Beats by Dr. Dre PowerBeats In-Ear Headphones:
Flexible earclips secure earphones
Sweat-resistant materials and eartips
2 speakers inside each bud
Clear bass
Remote control cord