Music is a driving force in the game of many top athletes. Now, it can bring out the best in yours. Whether you work out hard at the gym, play to win in team sports, or enjoy moving to music, Powerbeats is the breakthrough in-ear headphone you've been waiting for. Gone are the days of buds threatening to fall out of your ears and cramp your playing style. An adjustable/bendable ear hook with flexible arm keeps Powerbeats securely in place, no matter how aggressively you move. Plus, they resist sweat and ultra-violet light, ideal for the outdoors. What's more, Powerbeats deliver awe-inspiring sound with separate subwoofer and midrange tweeter for thunderous bass, silky vocals and clean, undistorted highs. And advanced passive sound isolation keeps the music in with your surroundings audible so you stay on top of your game. Better still, ControlTalk conveniently located on-cable, makes it easy to take calls hands-free without fumbling for your smartphone, iPhone or iPad. Plus, it gives you track seeking control with any MP3 player, iPod, or music phone.