JBL Tune 230NC TWS, Active Noise Cancellation, 40Hr Playtime, JBL App & Speed Charge Bluetooth Headset (Blue, True Wireless). Hear more of what you want, less of what you don?t with the JBL Tune 230NC. The Active Noise Cancelling technology with 4 mics on the earbud lets you minimize audio distractions. Customize your Tune 230NC listening experience with JBL Headphones App. Do more, be it Customizing your NC Setttings, Gesture Controls, EQ Settings, Finding your earbuds or configuring your Voice Assistant. 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. Keep the music going and never miss a beat with 40 (30+10) hours of playtime with Bluetooth (ANC OFF). Enjoying your music with ANC ON provides you playtime of 8 Hours on the earbuds and 24Hours from the case. When dry on power, a quick 10 minutes of charging provides you with upto 2 Hours of playtime, while you can completely charge from Zero to 100 within 2 Hours. Smartly designed 6 mm drivers enhanced by the Dot form factor deliver JBL?s Pure Bass Sound so you?ll feel every pulsing beat. 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 Tune 230 NC earbuds.