Feel your music more. With the Bose QuietComfort Ultra True Wireless Noise Cancelling Headphones, you get breakthrough spatial audio for more natural-sounding music, no matter the source. These wireless earbuds use immersive sound to bring the music from inside your head right in front of you. And for the noises you don't want to hear, the QC Ultra Earbuds offer world-class noise cancelation. The CustomTune technology analyzes your ear's shape and adapts the sound and noise cancelling to it. The innovation doesn't just stop at the premium sound, the design of these in-ear headphones is a one-of-a-kind experience too. You get nine combinations of eartip and stability band sizes to choose from.