THE BEST NOISE CANCELLATION: Two processors control 8 microphones for unprecedented noise cancellation. With Auto NC Optimizer, noise canceling is automatically optimized based on your wearing conditions and environment. MAGNIFICENT SOUND: Engineered to perfection with the new Integrated Processor V1 CRYSTAL CLEAR HANDS-FREE CALLING: 4 beamforming microphones, precise voice pickup, and advanced audio signal processing. LONG BATTERY LIFE: Up to 30-hour battery life with quick charging (3 min charge for 3 hours of playback). ULTRA-COMFORTABLE: Lightweight design with soft fit leather. MULTIPOINT CONNECTION: Quickly switch between devices. CARRY CASE INCLUDED: Carry your headphones effortlessly in the redesigned case.