Train harder with Under Armour® Sport Wireless – Engineered by JBL®. These wireless, sweat-proof headphones eliminate the distractions of headphone cables. An inline remote control with mic handles volume, tracks, and calls, and works with iOS® and Android™. A premium MapMyRun™ membership lets you monitor your performance and progress. Guaranteed never to hurt or fall out, UA Sport Wireless headphones feature legendary JBL Signature Sound with Pure Bass performance to give you the inspiration and motivation to finish strong.