With the JBL Tune 230NC TWS True wireless earbuds, you get 40 hours of exceptional JBL Pure Bass Sound, while the ergonomic and water-resistant design gives you all-day comfort in any weather. Connect calls simply and seamlessly with four mics that cancel out ambient noises—offering perfect calls anywhere. And with Active Noise Cancelling and Smart Ambient technology, you choose whether you want to tune out the world or engage with your surroundings. The light stick-closed design ensures comfort all-day long. Best of all, the JBL Headphones App lets you personalize your entire listening experience. Stay connected to your world, your way.