Monster Authorized Dealer, 1 Year USA Warranty BUILDING ON THE LEGEND: Monster launched the iSport Freedom in 2013 as the world's first sport-specific on ear headphone. Now, the revised and re-booted version brings cutting edge technology and a sleek new design to the flagship in the iSport line up. PURE MONSTER SOUND: Music is proven to increase athletic performance by up to 15%, whether it's your first trip to the gym or you're a seasoned athlete. Monster's signature ingredient for iSport delivers crystal clear details, with pumping bass to keep you motivated through your training.

★Noise Cancelling - The headphones include aerial adapter, you can listen the music and watch movie playing by air, not only recreate your flight time, also active noise cancelling. Great extra surprise for air traveler ★High Performance - Super stereo bass immerse your ears, delivering competitive acoustic performance with a unique feeling, professional headsets for listening, developed using the latest noise canceling technology ★Lightweight Portable - Lightweight and 3D folding design. The headphones conveniently fold, which means they fit perfectly in small clutches, handbags, carry-on bags, backpacks or weekender bags. Travel friendly