40mm drivers and a sound signature that can be found in the most famous venues all around the world Keep the noise away and stay focused on the music with Adaptive Noise Cancelling The Ambient Aware technology allows you to safely walk busy streets by increasing ambient sounds, while with TalkThru music is lowered and speech is amplified so you can easily chat keeping your headphones on Stay in touch with your world by managing calls with the buttons on the ear-cup The mic technology allows for perfect stereo calls Rock on for up to 50 hours (or up to 40 hours with ANC and BT on)! Then, stop for a quick 10-minute charge to get extra 4-hour fun Shaped around your head with a fitting fabric headband and soft ear cushions, the Live 660NC are super comfy The soft pouch serves as protection as well as storage when you’re traveling Overview In your world, music is essential, so slip on a pair of JBL Live 660NC and elevate your day. Feel the power of JBL Signature Sound delivered by 40mm drivers, enjoy the convenience of Adaptive Noise Cancelling and Smart Ambient technologies that allow you to focus on what matters for you, and talk to your favorite Voice Assistant with a tap on the ear cup. Rock out uninterruptedly for 50 hours!