The Bose QuietComfort Ultra Earbuds 2nd Gen include a 1-year limited warranty when purchased from authorized dealers.

Covered

• Manufacturing defects
• Hardware malfunctions
• Connectivity issues under normal use

Not Covered

• Physical damage from drops
• Water damage beyond IPX4 rating
• Normal wear on accessories
• Unauthorized modifications

Making a Claim

1. Gather proof of purchase
2. Contact Bose support (web/phone/chat)
3. Complete troubleshooting
4. Receive repair or replacement if needed

Extended Coverage

BoseCare extended warranty available. Check bose.com for current terms.

Important

Purchase only from authorized retailers (Bose, Amazon, Best Buy) to ensure warranty validity.

View the Bose QC Ultra Earbuds 2nd Gen

Here's how the Bose QuietComfort Ultra Earbuds 2nd Gen compare to Sony WF-1000XM5:

Noise Cancellation

• Bose: Best-in-class
• Sony: Excellent
• Winner: Bose (slight edge)

Battery Life

• Bose: 5.5-6 hours
• Sony: 8-9 hours
• Winner: Sony

Sound Quality

• Bose: Bass-forward, warm, 3-band EQ
• Sony: Balanced, neutral, 6-band EQ
• Winner: Preference-dependent

Comfort

• Bose: Less intrusive fit
• Sony: Smaller, deeper insertion
• Winner: Bose for most users

Key Features

• Sony: LDAC, DSEE Extreme, Speak-to-Chat
• Bose: Immersive Audio, ActiveSense

Price Both $299 MSRP. Sony frequently discounts below $200.

Verdict

• Best ANC and comfort: Bose
• Best battery and features: Sony

Compare prices on Bose QC Ultra Earbuds 2nd Gen

Yes, the Bose QuietComfort Ultra Earbuds 2nd Gen support single-earbud (mono) use.

How to Use

1. Leave one earbud in the case
2. Remove and wear just one
3. Connects automatically in mono

Audio

• Switches to mono (all content through one ear)
• Touch controls remain functional

Use Cases

• Office awareness while on calls
• Commute announcements
• Extended battery (alternate earbuds)
• Outdoor safety

Returning to Stereo

Remove second earbud from case. Auto-connects and switches to stereo.

Note

ANC performance decreases with single-earbud use.

View the Bose QC Ultra Earbuds 2nd Gen