The JBL Under Armour Sport Wireless Flex Neckband Headphones are designed to perform during your workout, while still providing you with a comfortable, pleasant wireless audio performance for the rest of the day.
Features like Flex Zones built into the neckband, and winged Flex Fit eartips, keep the Flex headphones secure while exercising. The Flex Zones can tighten while working out, and loosen for the rest of the day. The Flex Fit eartips are designed to be easily changeable between winged and wingless tips.