Enjoy great sound and the best beats on the go with the Bose QuietComfort Noise-Cancelling Headphones. The natural sound and legendary noise-cancelling technology block out noise or let in what matters most – with the Quiet and Aware modes. You can also create your personal mode, allowing just the right amount of ambient noise to be heard for the situation. These over-ear headphones feature an iconic and comfortable design, with an optional audio cable that includes a microphone. This way, you can enjoy rich sound even without a Bluetooth connection.