QuietComfort 35 Wireless Headphones. QuietComfort® 35 wireless headphones are engineered with world-class noise cancellation that makes quiet sound quieter and music sound better. Free yourself from wires and attach easily on your devices with Bluetooth® and NFC pairing. Volume-optimized EQ will give you balanced audio performance at any volume, whilst a noise-rejecting dual microphone provides transparent calls, even in windy or noisy environments. Voice prompts and intuitive controls make communicating and controlling your music trouble-free. And a lithium-ion battery will give you as much as 20 hours of wireless play time per charge. QuietComfort 35 headphones are designed with premium materials that lead them to lightweight and comfy for all-day listening. Use the Bose Connect app for a more personalized revel in.