Enjoy superior audio performance on the go with JBL Endurance Race headphones. These ergonomic earbuds offer wing enhancers for all-day comfort and Twistlock technology for a secure seal that fits your active lifestyle. The dynamic driver and built-in microphones let you listen to music, take calls, and more. They're also waterproof and dustproof. | JBL Endurance Race In-Ear Sound Isolating True Wireless Earbuds - Blue