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Under Armour React In-Ear Wireless Sport Earphones empower athletes to train harder, longer and safer with bionic hearing and a 9 hour battery life. With a secure, high-performance design and JBL Charged Sound, these aluminum earbuds are built for motivation. Featuring UA Storm waterproof technology with an IPX7 rating, these are durable for any workout or elements that may come your way. Hear your surroundings with Bionic Hearing featuring Talk Thru Technology to quickly interact with your workout partner, and Ambient Aware Technology to hear your surroundings for increased safety. With Sport Flex Fit Ear Tips, the UA Sport Wireless React promises a secure and comfortable fit that will stay in place through your workout. A 9-Hour battery powers a week’s worth of workouts on a single charge and with a seamless Bluetooth® connection, you’ll be tuned in to any environment.