Stay Focused: The Hybrid Active Noise Cancellation System cuts out 90% of outside noise so you can enjoy your music, games or podcasts to the fullest without distractions. Clarity in the service of sound: Enjoy clear calls enhanced by AI thanks to the 4 microphones built into the noise-canceling ear cups of the Life Note 3i earphones and a personalized algorithm for higher quality sound pickup. Rich, personalized sound: Life Note 3i noise-canceling headphones feature 10mm drivers that produce rich, powerful bass. Hours of battery life: Life Note 3i noise canceling headphones let you listen to music for 9 hours straight on a single charge and enjoy an additional 36 hours of battery life thanks to the compact body.