Quiet Comfort Ultra Earbuds

Bluetooth wireless in-ear headphones with the world’s best external noise cancellation. CustomTune technology that automatically adjusts the sound to the inner shape of your ears (they emit a tone to learn the unique shape of your ear canal, the tone bounces back and is picked up by the built-in microphones, optimizing the perfect noise cancellation for your ear). ActiveSense ™ technology in alert mode allows loud background noises to be silenced and softened to a manageable volume. Built-in microphones that filter out ambient noise, focusing on your voice and delivering crystal-clear conversations. Bose “Immersive Audio” spatial audio technology that positions what you’re listening to right in front of you, so it feels like you’re not wearing headphones and music sounds more real than ever.