Concerning this item Remain Concentrated: 90% of outside noise is eliminated by the Hybrid Active Noise Cancellation System, allowing you to fully enjoy games, podcasts, and music without interruptions. Sound in the service of clarity: With six microphones integrated into the noise-canceling ear cups of the Life Note 3i earphones and a customized algorithm for better sound pickup, you can enjoy clear calls enhanced by AI. Personalized, rich sound: The 10mm drivers in the Life Note 3i noise-canceling headphones deliver deep, strong bass. Hours of battery life: The small design of the Life Note 3i noise-canceling headphones allows you to listen to music for 10 hours straight on a single charge and get an extra 40 hours of battery life.