Samsung U Flex Headphones have a flexible neckband that is adjustable and fits perfectly allowing you to conduct extreme activities without falling off. Designed with two-way speakers (11mm woofers and 8mm tweeters), to ensure that every note and timbre is truly realistic across the whole frequency band. Delivers a top-notch sound experience with a lightweight, bendable, around-the-neck design. With improved Bluetooth connectivity, convenient smart features, and a splash-resistant coating. Can withstand harsh conditions so they keep working when users need them, whether at the gym, commuting to work, or out for a morning jog.