PRODUCT GRADING (Grade A) - Excellent Condition with Minor if any signs of use and wear > Refurbished to the highest standards. Non-Retail Brown Box WHAT IS IN THE BOX Bowers & Wilkins PX Bluetooth Wireless Headphones USB Power Cable PRODUCT DESCRIPTION Bowers & Wilkins PERFORMANCE - PX draws on decades of Bowers & Wilkins design experience to take you to the very heart of the music with its breath-taking performance ADAPTIVE NOISE CANCELLATION - Perfect sound anywhere - on a plane, in the street or in the office. The best adaptive noise cancelling headphones, customisable to your exact preference. FEEL MORE OF YOUR MUSIC - Built with the same drive units from our P9 Signature headphones, the PX provides optimised listening performance. We have also subtly angled the drivers to provide a more natural stereo perspective. PX RESPONDS TO YOU - When you need to pause, lift an ear cup. Put PX down and it goes to sleep. Pick it up to resume playing. Worry less about your headphones, and enjoy your music more. SMART POWER - With a 22-hour battery life, PX is always ready; put it down and it goes into power-saving sleep mode; pick it up and you\'re good to go. PX is the smartest Bluetooth headphone on the market. TO GET THE BEST FROM PX, install the latest version of the firmware. This is done via the dedicated Bowers & Wilkins Headphones app, downloadable for free from the AppStore or Google Play Store. PRODUCT INFORMATION Wireless Technology - Bluetooth Connectivity - Wireless, 3.5mm (1/8 In), Wired, USB-C Colour - Grey Features - Adjustable Headband, Detachable Cable, Built-In On/Off Switch, Foldable, Closed Back Number of Earpieces - Ear-Cup (Over the Ear), Headband Type - Headphones Weight - 2.29lb. Colour - Steel Grey