1,Fashionable sport headphone with ergonomic neckband system 2,Powerful bass 3,Sweat- and water-resistant construction Extremely comfortable and secure for the most mobile of users, bicyclist, runners, joggers, walkers etc.1,Ergonomic neckband system for the best possible fit2,Powerful neodymium magnets for balanced, detailed sound reproduction3,Basswind System delivers powerful bass response4, ...