Bose QuietComfort Ultra Earbuds - Noise-canceling earbuds on another level!

Breakthrough Spatial Audio for a More Immersive Listening Experience

Making your music feel more real than ever – no matter how the content is encoded or its source. World-class noise cancellation and sound, perfectly tailored to you. Plus, an amazing design that's simply a joy to wear. Need we say more? Just listen.

Technical Specifications Overview:

• Revolutionary multi-dimensional spatial audio

• Most immersive sound experience to date

• Industry-leading noise cancellation technology

• Integrated CustomTune ear calibration

• Three listening modes: Quiet, Aware, Immersive

• Engineered for all-day comfort

• 9 customizable fit combinations (ear tips + stability bands)

• 6-hour playback (4 hours with Immersive Audio)*

• +18 hours via charging case (3 full recharges)**

• Advanced beamforming microphone array

• Intuitive touch surface controls

• Next-gen Bluetooth® 5.3 wireless

• Complete control via Bose Music app

• Snapdragon Sound™ certified (Android)

• Google Fast Pair compatible

*Bose tested with ANC active at 75dB SPL playback. Actual performance varies by usage.
**Based on Bose testing of full discharge/recharge cycles at 75dB SPL playback.

Experience Music Like Never Before

Our groundbreaking spatial audio technology creates an unprecedented listening experience where music feels astonishingly real - regardless of source or format. Combined with best-in-class noise cancellation personally tuned to your ears and an ergonomic design that disappears during wear, these earbuds speak for themselves. Just press play.

Immersive Audio That Surrounds You

Bose Immersive Audio shatters conventional listening boundaries. The advanced soundstage places instruments and vocals precisely around you, creating a hyper-realistic three-dimensional experience so convincing you'll want to reach out and touch the music. This is sound the way it was meant to be heard.

Personalized Acoustic Engineering

The secret? Our CustomTune technology performs real-time analysis of your unique ear canal geometry, automatically optimizing both the active noise cancellation and frequency response specifically for your hearing profile. The result is peerless audio precision tailored exclusively to you.

Smart Listening Modes

• Quiet Mode: World-class ANC eliminates distractions

• Aware Mode: Natural environmental awareness

• Immersive Mode: Full 3D audio experience

Precision Comfort Design

Nine possible configurations of our proprietary silicone tips and stability bands ensure perfect fit and noise isolation for any ear shape. The patented umbrella-shaped tips create an acoustic seal while flexible wings provide secure, all-day comfort.

Extended Performance

• Earbuds: 6hrs (4hrs Immersive)

• With case: 24hrs total

• Quick charge: 20min = 2hrs playback

Crystal Clear Calls

Advanced beamforming microphones isolate speech while suppressing wind and background noise for professional-quality call clarity.

Intelligent Touch Controls

Manage playback, calls and modes with simple gestures - no phone needed.

Next-Gen Connectivity

Bluetooth 5.3 provides robust wireless performance up to 30ft.

Bose Music App Features:

• Custom EQ tuning

• Device management

• Battery monitoring

• Personalized shortcuts

Package Includes:

• QuietComfort Ultra Earbuds

• Fit Kit (3 tip sizes + 3 stability bands)

• Premium charging case

• USB-C charging cable

• Documentation

12-month manufacturer warranty

World-Class Noise Cancellation & Sound – Personalized for You

So what’s the magic behind CustomTune technology? It analyzes your ears in real time and fine-tunes both the sound profile and active noise cancellation to match the unique shape of your ear canals. The result? Industry-leading noise cancellation and audio precision—custom-tailored just for you.

Multiple Listening Modes for Every Situation

• Quiet Mode: When you need to focus, activate this mode to experience best-in-class active noise cancellation that blocks out the world.

• Aware Mode: Stay connected to your surroundings—perfect for conversations or when you need to hear announcements.

• Immersive Mode: Combines full noise cancellation with Bose Immersive Audio for a truly captivating 3D sound experience.

Premium Earbuds for Unmatched Comfort & Stability

While designed to fit all ears, these earbuds adapt uniquely to yours. With 9 customizable combinations of silicone ear tips and stability bands, finding your perfect fit has never been easier.

• Umbrella-shaped ear tips create a secure seal to block external noise

• Flexible stability bands contour to your ear's shape for a locked-in feel

• All-day comfort with soft, hypoallergenic materials

Go All Day – Up to 24 Hours of Total Playtime

• Earbuds alone: Up to 6 hours (4 hours with Immersive Audio on)*

• With charging case: 3 additional full charges (18+ extra hours)**

• Quick charge: 20 minutes = 2 hours of playback***

*Bose tested with ANC on at 75dB SPL. Performance varies by usage.
**Based on full discharge cycles at 75dB SPL.
***Tested with ANC on/Immersive off after 20-min charge.

Crystal Clear Calls – Naturally You
No more "What?" when saying "Hello." Beamforming mics focus on your voice while suppressing background noise for studio-quality calls. Wear one or both earbuds – your choice.

Touch Controls – Music at Your Fingertips
Play/pause • Adjust volume • Skip tracks • Answer calls • Switch modes – all without reaching for your phone.

Advanced Bluetooth 5.3
Maintains strong, uninterrupted connections up to 9m (30ft) from your device.

Bose Music App – Total Control

• Create custom sound modes (e.g., Aware + Immersive)

• Fine-tune EQ (bass/mid/treble)

• Check battery status

• Program shortcuts

• Manage connected devices

Included in the Box:

• Bose QuietComfort Ultra Earbuds (1 pair)

• Bose Fit Kit:

  • 3 pairs of silicone ear tips (S/M/L)

  • 3 pairs of stability bands (S/M/L)

• Charging case

• USB-C® cable (A to C, 12")

• Safety sheet