Bose QuietComfort Ultra Earbuds – CustomTune ANC, Immersive Audio, 24-Hour

Bose QuietComfort Ultra Earbuds – CustomTune ANC, Spatial Immersive Audio, 24H

The Bose QuietComfort Ultra Earbuds represent Bose’s pinnacle of personal audio technology, featuring their revolutionary CustomTune technology that automatically calibrates both sound and noise canceling to your exact ear anatomy in real time. The addition of Immersive Audio with head tracking delivers a spatial audio experience that puts you inside the music — Bose’s most impressive earbuds ever and a consistent Amazon premium audio best seller.

• CustomTune Personalization: Proprietary CustomTune technology emits test tones upon insertion and instantly calibrates EQ and ANC specifically for your ear canal shape — personalized sound every time
• Immersive Spatial Audio: Bose’s Immersive Audio with head tracking creates a spatial soundstage that follows your head movement — music and content feels like it’s surrounding you, not just in your ears
• World-Class Noise Cancellation: Bose’s legendary noise canceling technology — independently rated best-in-class by multiple audio publications for low-frequency noise reduction in real-world environments
• Aware Mode with ActiveSense: ActiveSense Aware Mode selectively blocks loud noises (construction, traffic) while letting normal conversation pass through — safe outdoor awareness without full ANC
• 24-Hour Total Battery: 6 hours per earbud plus 18 from the case; 20-minute quick charge delivers 2 hours of playback for emergency recharging
• Multipoint Connect: Connect to two devices simultaneously and switch seamlessly between them — work laptop in the morning, phone on the commute home
• IPX4 + Comfortable Fit: IPX4 sweat and water resistant; three ear tip sizes with StayHear Max tips designed for a secure, comfortable all-day fit