About this item NOISE CANCELLING WIRELESS HEADPHONES The perfect balance of quiet comfort and sound Bose uses tiny mics to measure compare and react to outside noise cancelling it with opposite signals Bluetooth rangeup to 9 m 30 feet HIGHFIDELITY AUDIO The TriPort acoustic architecture offers depth and fullness Volumeoptimized Active EQ maintains balanced performance at any volume so bass stays consistent when turned down and the music remains clear when turned up QUIET AND AWARE MODES Choose Quiet Mode for full noise cancelling or Aware Mode to bring the outside into the around ear headphones and hear your environment and your music at the same time UP TO 22 HOURS BATTERY LIFE Enjoy 22 hours of battery life from a single charge A quick 15minute charge offers 3 hours when youre on the go or plug in the included audio cable to listen for even longer in wired mode PERSONALIZE YOUR AUDIO Adjustable EQ allows you to set the bass midrange and treble levels to your personal preferences or select one of several preset options BOSE SIMPLESYNC TECHNOLOGY SimpleSync pairs your Bose QuietComfort 45 headphones with select Bose smart soundbars for a personal TV listening experience Independent volume controls allow you to lower or mute your soundbar while keeping your headphones as loud as you likeAway from your phone Press and hold the Bluetooth button on each device to sync their sound Already got a group going Link by pressing the Action button to connect at a moments notice Includes 35 mm to 25 mm audio cable Brand Bose Model Name QuietComfort 45Headphones Color Black Form Factor Over Ear Connectivity Technology Wireless Bluetooth