· JBL Pure Bass Sound: Compact 10mm drivers in a Dot design deliver JBL's signature Pure Bass, ensuring you feel every beat. For optimal sound and call quality, ensure the ear tips fit snugly in your ears.· Active Noise Cancelling with Smart Ambient: This technology lets you control what you hear—reduce unwanted noise and stay aware of your surroundings with Ambient Aware. TalkThru technology allows for easy conversations without removing your headphones.· Crystal Clear Voice Calls: Equipped with 4 microphones, the Tune 230NC TWS ensures clear, hands-free calls in stereo.· Long Battery Life: Enjoy up to 40 hours of playtime (10 hours with an additional 30 hours from the case). Activate noise cancelling for 8 hours plus 24 hours in the case. A quick 10-minute charge provides an extra 2 hours of playtime.· Water Resistant & Sweatproof: The IPX4 rating means these earbuds withstand sweat and rain, making them perfect for any weather or workout.