UNBEEN LISTENING EXPERIENCE - Bose QuietComfort Ultra headphones feature spatial audio and give you an immersive experience for true-to-life music and personalized sound thanks to CustomTune technology EXCEPTIONAL NOISE REDUCTION: The noise reduction of the Bose QuietComfort Ultra headphones comes in three modes: Quiet Mode, Aware Mode and Immersion Mode, the latter combining total noise reduction and Bose Immersive Audio PERFECTLY CLEAR CALLS - Featuring a built-in microphone, this noise-cancelling Bluetooth headset filters your sound environment so you can make the clearest calls ever provided by headphones Bose STYLISH STYLE AND LUXURIOUS COMFORT: Ear pads wrap around your ears, the headband distributes pressure evenly and quality materials bring a refined touch to this comfortable noise reduction headphones BLUETOOTH WIRELESS HEADPHONES: The Bluetooth 5.3 connectivity of this headset with TV connection covers a radius of 9m. SimpleSync provides sync with the Bose Smart Soundbar to listen to your TV at the desired volume 24-hour battery life: Enjoy your music longer with this comfortable 24-hour battery life (up to 18 hours in Immersive Audio) and 2.5 hours on a 15-minute charge (up to 2 hours of Immersive Audio) CONNECTION AND CONTROL: Bose QuietComfort Ultra headphones touch controls allow you to change volume, music or mode as well as answer the phone. You can also turn this headset off and on with a movement of your head Bose APP: Download the Bose app and receive the latest software updates to ensure optimal operation and access to the latest features and advanced technologies