The item Clear and loud audio The Life Note 3i's four integrated noise-canceling microphones and unique algorithm for voice pickup allow you to enjoy clear calls enhanced by AI. The 10mm drivers in the Note 3i noise-canceling earbuds produce deep, rich sound. To improve your music experience, adjust your EQ and sound profile using the Soundcore app. You can listen uninterruptedly for nine hours with the Note 3i noise-canceling earbuds. Active Hybrid Noise Cancellation Upgrade your noise cancellation to meet your specific needs. Your favorite music is ideal for listening to indoors or while traveling.