Coaxial Dual-Driver Design Incredibly Light and Comfortable AI Temperature Monitoring 5 Minutes Charge 2 Hours of Music Playback Coaxial Dual-driver DesignPowerful Bass, Bright TrebleWorld's 1st Coaxial Dual-Driver Design Super-Amplitude Driver & PZT Tweeter bring the punchy bass and delicate treble sound together in a harmonious way. Feast your ears with a fascinating voice.Punchy, PowerfulThe Bass Adds TextureWear your earbuds and play a piece of bass solo. Enjoy immersive audio with amazing bass just like a live concert.Pure, ClearThe Treble Tells a StoryPZT Tweeter delivers exquisite high-pitched vocals and rich details.Adaptive Active Noise CancellationThe First-Ever Intelligent ANCAirplane, SubwayUltra Mode Supporting a noise cancellation depth of 46 dB6, Ultra Mode effectively reduces loud noise and brings you a quiet and comfortable experience.Library, WorkplaceCozy Mode Focus on your book or work with less surrounding noises.Café, StreetGeneral Mode Enjoy the beautiful life mo