Bowers & Wilkins PX5 On-ear Noise Cancelling Wireless Headphones - Space Grey 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. From a library to Grand Central Station, adaptive noise cancelling automatically adjusts to keep impurities out of the sound. 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. The woven carbon fiber composite arms of the PX5 mimics the strength and agility of the fastest vehicles in the world, channelling pure sound to you and holding up against everyday wear and tear. These headphones rest easy in your bag so as you can dive into sound anywhere.