The JBL Under Armour True Wireless Flash In-Ear Sport Headphones are the most convenient option for staying connected on-the-go or during workouts. These true wireless earbuds pack powerful features and high-quality sound into a compact, hassle-free design. You can answer calls and control your music with a built-in microphone and on-ear touch controls. Enjoy up to 5 hours of playback between charges with the powerful, rechargeable battery. For an added safety bonus, these wireless earbuds offer Bionic Hearing technology so you can enjoy JBL sound while safely staying aware of your surroundings with AmbientAware. Experience the power of the JBL Under Armour True Wireless Flash In-Ear Sport Headphones.