JBL Tune 230NC True Wireless Noise Cancelling Headphones - Blue JBL Pure Bass Sound Smartly designed 6.0mm drivers enhanced by the stick form factor deliver JBL's Pure Bass Sound so you'll feel every pulsing beat. Active Noise Cancelling with Smart Ambient Hear more of what you want, less of what you don't. Active Noise Cancelling technology with 2 microphones lets you minimize audio distractions. With Ambient Aware, you can tune into your surroundings at any time so that you feel safer when you're 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 are equipped with 4 microphones, so you'll always be heard with perfect clarity. Never hesitate to take or make a call again. With VoiceAware you can control the amount of mic input routed back into your earbuds and choose how much to hear of your own voice. 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.