JBL Deep 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. 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 cancelling is engaged. Need a boost? Speed Charge for just ten minutes to get 2 hours of playtime. Water resistant & sweatproof Don’t be deterred by bad weather. Thanks to IPX4 water resistance and sweatproofing, there isn’t a workout or downpour the Tune 230NC TWS can’t handle. All-day fit & comfort Never be without your music. The Stick Closed design ensures comfort without pressure, eliminating ambient distractions with a design so light, you may forget you’re wearing them. JBL Headphones App The JBL Headphones App lets you enjoy your music your way. Customize your listening experience and the touch control gestures, find your earbuds, control the environmental noise and the Smart Audio & Video modes. Download the App for free and discover how much more you can do.