Incredible Sound Loved by 20 Million+ People Feel Every Beat: A3i noise cancelling earbuds come with 10mm oversized drivers so you can hear your favorite music with deep, pounding bass. Hybrid Active Noise Cancelling: Turn on hybrid active noise cancelling to reduce external noise up to 35db and continuously enjoy your music without interruptions. For a natural listening experience with your wireless earbuds, simply switch to Transparency mode. AI-Enhanced Calls with 4 Mics: Converse clearly with A3i noise cancelling earbuds whenever you make phone calls thanks to 4 dedicated built-in microphones and a custom AI algorithm. Up to 36 Hours of Listening: Get 9 hours of listening on a single charge and up to a total of 36 hours when you use the compact case to recharge. Charge A3i noise cancelling earbuds for 10 minutes and enjoy 2 hours of use via fast charging.