JBL Tune Flex TWS wireless Bluetooth headphones provide an immersive listening experience thanks to the JBL Pure Bass Sound, and an ergonomic design, for comfortable listening all day long Adaptive Noise Cancelling eliminates distractions around you for an immersive sound experience, while Ambient Aware is great for when you need to focus on your surrounding environment Enjoy up to 32 hours of battery life (8 hours in the earbuds + 24 hours in the case), as well as the speed boost feature: 10 minutes of charging adds another 2 hours of playtime The IPX4 water resistance feature means you don't need to worry at the gym or if you get caught in the rain, while 4 microphones ensure that you can enjoy hassle-free, hands-free calls