Experience world-class sound with the latest adaptive noise cancellation technology. These sleek, on-ear headphones keep out the world so you can live fully in yours. The PX5 is light and compact while delivering sound quality built on Bowers & Wilkins' exacting standards. Custom-designed 35mm drivers designed and tuned by the same team behind our 800 Diamond Series speakers used in Abbey Road Studios give you music in all its glory. Adaptive noise cancelling automatically adjusts to keep impurities out of the sound. Play 25 hours at a time. One battery charge and just over a full day of music. If you need more power, a 15-minute quick charge provides five hours of audio playback. What's in the box PX5 Headphone; Storage Case; USB Charging Cable; 3,5mm Audio Cable;