Designed to keep you grooving during athletic activity, Sennheiser's Sennheiser PMX70 Sport Line Stereo Neckband Headphones give you exceptional sound when you're working out. Featuring a patented ultra-lightweight, flexible construction, an ergonomic neckband, and a transducer system that is positioned vertically (turned 90 degrees) in the ear, the PMX70 offers an extra secure fit for optimum comfort and stability while avoiding interference with your movements. And with powerful neodymium magnets in the earphone speakers, the PMX70 gives you incredible detailed sound reproduction.