Monster iSport Intensity Bluetooth Earphones offer unparalleled Pure Monster Sound for up to 6 hours on a single charge. Must have for gym and other workout routines, it comes with SecureFit SportClip that are designed to fit perfectly therefore allowing you to move freely. Built with premium quality material, the earphones are durable and sweat-proof. Featuring improve sound driver, they also offer moderate sound isolation enabling you to hear your surroundings while working out. These earphones can also be used for handsfree calling and comes with a tangle resistant cable.