Pure Bass. Zero noise. Tackle your day one song at a time with the JBL Tune 230NC TWS. True wireless earbuds give you 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 4 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. Features: JBL Pure Bass Sound Active Noise Cancelling with Smart Ambient 4 mics for perfect voice calls Up to 40 hours of battery life Water-resistant sweatproof All-day fit comfort JBL Headphones App JBL Pure Bass Sound Smartly designed 6.0mm drivers enhanced by the Dot form factor deliver JBLs Pure Bass Sound so youll feel every pulsing beat. Active Noise Canceling with Smart Ambient Hear more of what you want less of what you dont. Active Noise Canceling with 2 microphones technology lets you minimize audio distractions. With Ambient Aware you can tune into your surroundings at any time so that you feel safer when youre out in the world while TalkThru lets you stop for a quick chat without having to remove your headphones. 4 mics for perfect voice calls Enjoy hassle-free hands-free calls in stereo. The Tune 230NC TWS is equipped with 4 microphones so youll always be heard with perfect clarity. Never hesitate to take or make a call again. Up to 40 hours of battery life Never miss a beat with 40 (10+30) hours of battery life or 8 hours plus 24 hours in the case when noise canceling is engaged. Need a boost? Speed Charge for just ten minutes to get 2 hours of playtime. Water-resistant sweatproof Dont be deterred by bad weath