Shake it up with noise-cancelling counter-frequencies (up to 40 dB noise reduction) to reduce wind and ambient noise. Hear your world in breathtaking clarity with Transparency Mode. [Superior Audio Experience] Acoustically tuned for bigger, bolder beats with razor-sharp treble, with Dolby Atmos support, its time to bring your party wherever you go. [Play Time Never Ends] With a monster battery life up to 38 hours, power your party all day and night " and all day again. With Dash Charge, a 10-minute charge powers your music for 5 hours. [Fast and Smooth Pairing] Sync to your Android smartphone as soon as you open the charging case, it's that fast! [Calling Loud and Clear] AI powered noise reduction algorithms, noise-reducing microphones, and an elegant design all combine to enable crystal-clear calls. [All-Go in All-Weather] Rated IP55 for water and sweat resistance, the OnePlus Buds Z2 are perfect for outdoors and the gym.