Sector Leading noise cancellation: eight microphones are controlled by two processors to achieve previously unheard-of noise cancellation. Auto NC Optimizer optimizes noise cancellation automatically according to your environment and wearing conditions. Wonderful Sound, expertly designed with the new Integrated Processor V1 Four beamforming microphones, accurate voice pickup, and sophisticated audio signal processing enable crystal-clear hands-free calling. Quick charging allows for a 30-hour battery life (3 minutes for 3 hours of playback). Lightweight, incredibly comfy, and soft-fitting leather A multipoint connection enables rapid device switching. With the updated case, you can carry your headphones with ease. Easy-to-use touch controls to answer calls, pause, play, skip tracks, adjust volume, and activate your voice assistant. Simply switch to Quick Attention mode and Speak-to-Chat for daily convenience.