Concerning this item Smart Noise Cancelling: The Soundcore P40i noise-canceling earbuds have adaptive ANC, which uses sophisticated algorithms to effectively cancel out background noise and ensure peace and quiet while on the go. Long, Powerful Battery Life: With a case that increases the battery's lifespan to 60 hours, you can enjoy 12 hours of use on a single charge. Weeks or even months could pass during that time. BassUp technology enhances the soundcore P40i wireless earbuds' 11mm composite drivers for a powerful audio experience, including real-time, powerful bass. Superior Call Quality: You can enjoy clear communication with the Soundcore P40i noise-canceling earbuds, which are enhanced by six microphones and an AI algorithm. When you speak on the phone or through video chat, your voice is sent with