pe: Bluetooth Headphone In Ear Playtime:45 hours (with charging case) Features:Bluetooth 5.4 Adaptive Noise Cancellation (ANC) reduces noise by up to 42 dB Sweat and dust resistance with IP54 rating Four microphones with AI-enhanced call technology 10mm drivers delivering high-quality sound with BassUp™ technology 10 hours of playback on a single charge, with an additional 35 hours from the charging case Touch controls customizable via the Soundcore app 2-in-1 charging case with built-in phone stand