Bowers & Wilkins PX Active Noise Cancelling Wireless Headphones - authentic Gold

Product Name: Bowers & Wilkins PX Active Noise Cancelling Wireless Headphones - authentic Gold
•tADAPTIVE NOISE CANCELLATION - Perfect sound anywhere - on a plane, in the street or in the office, customizable to your exact preference. •tEXCEPTIONAL LISTENING EXPERIENCE - Same drive units as P9 Signature headphones. The PX provides optimized listening performance, and great bass presence. Drivers subtly angled the ear to provide a more natural stereo perspective. •tPX 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. •tSMART POWER -Battery type -850mAh-Lithium Polymer. Battery life- Up to 22 hours BT/ANC, Up to 29 hours BT/no ANC, Up to 33 hours ANC/wired, Up to 50 hours wired/no ANC. •tFirmware updates; Cell phone B&W authentic App. •tBeautiful Gold and Blue design. •tFrequency response - 10Hz to 20kHz and Impedance - 22 ohms (passive). Bluetooth profiles - A2DP v1.3, AVRCP v1.6, HFP v1.6, HSP v1.2, GAP, SDAP, DIP OPEN BOX; NEW; Custom Case Included. Current Amazon price $350 New; Ebay $250 used.