Bose® QC35BTBLK QuietComfort® 35 Wireless Bluetooth Around-Ear Headphones are engineered with world-class noise cancellation that makes quiet sound quieter and music sound better. Free yourself from wires and connect easily to your devices with Bluetooth® and NFC pairing. Volume-optimized EQ gives you balanced audio performance at any volume, while a noise-rejecting dual microphone provides clear calls, even in windy or noisy environments. Voice prompts and intuitive controls make communicating and controlling your music hassle-free. And a lithium-ion battery gives you up to 20 hours of wireless play time per charge. QuietComfort 35 headphones are designed with premium materials that make them lightweight and comfortable for all-day listening. Use the Bose Connect app for a more personalized experience. Available in Black or Silver.