The Bose Bose QuietComfort Ultra Earbuds carries the legacy of Bose's decades of acoustic research and engineering into a product that delivers the clear, balanced, and powerful audio performance that has made Bose one of the most respected audio brands in the world. Flagship ANC Earbuds, Bose Immersive Audio, 6-hr (+18 case), IPX4. Engineered for both music listening and voice/video calls with noise-rejection microphone systems, it balances premium audio reproduction with practical everyday usability. Compatible with the Bose Music app for firmware updates, EQ customisation, and product pairing, it fits seamlessly into the growing Bose wireless ecosystem.