soundcore P40i by Anker, Noise Cancelling Wireless Earbuds, Adaptive Noise Cancelling to Environments, Heavy Bass, 60H Playtime, 2-in-1 Case and Phone Stand, IPX5, Wireless Charging, Bluetooth 5.3[Smart Noise Cancelling]: soundcore P40i noise cancelling earbuds feature adaptive ANC that automatically detects ambient noise and utilizes advanced algorithms to achieve effective noise cancellation, ensuring peace and tranquillity on the go. [Long, Powerful Battery Life]: Enjoy 12 hours of battery life on a single charge with a case that extends it to 60 hours. That's long enough to last weeks, even a month. [Thumping Beats]: soundcore P40i