Feel the Bass: Made with JBL Pure Bass and Spatial Sound – the same technology that powers music venues around the world – to put some extra pep in your step, whether you're commuting, at the gym or just vibing to music Unbelievable Comfort: There is nothing worse than uncomfortable headphones – that's why we designed the Tune 680 NC earphones to be as light as a feather, with soft ear cushions and a convenient foldable design Hear Music Like Never Before: Prepare for full immersion with the Tune 680 NC's Adaptive Noise-Cancelling technology, designed to block distracting sounds without tuning out the world completely Long-Lasting Sound & Unmatched Clarity: Keep the party going with up to 76 hours of battery life and speed charge, while two beamforming mics ensure crystal-clear calls in any setting