Music is a driving force in the game of many top athletes. And now it can bring out the best in yours. Powerbeats combines sonic superiority with a comfortable fit that won"t quit. You"ll hear full range sound with clarity and power, plus your surroundings. And an adjustable/bendable ear hook with flexible arm keeps Powerbeats securely in place, no matter how hard you play. Features: Secure and Comfortable Fit for Athletic Lifestyles: Adjustable/bendable ear hook with flexible arm wraps around the outside of your ear to keep headphones in place while you"re working out or playing team sports. Exclusive Monster Driver Technologies Deliver Unsurpassed Sound: Legendary BeatsTM sound with clarity and power at any volume. Built-in subwoofer pumps out massive bass. Midrange tweeter reproduces ultra smooth vocals and clear, crisp highs. Hear the Music and Your Surroundings Safely: Whether you"re running, shooting hoops, or cycling, specially designed eartips let you hear ambient sounds while maintaining full awareness at all times. Sweat Resistant and UV Protected: Engineered for hours of strenuous activity under the sun or under the lights. Tested for extreme durability and long life. Built-in Mic for Hands-Free Calls and Online Chats: ControlTalk"s built-in mic lets you talk hands-free on your iPhone or music phone. It works with online voice or video chats on iPod touch or iPhone. Control iPod and iPhone the Easy Way: ControlTalkTM gives you on-cable playback control of your iPod or iPhone, including pause, next track and volume.