Bose QuietComfort Ultra Deep Plum Headphones

The headphones are frequently described as extremely comfortable, even for extended wear. Some users found them to be the most comfortable they have ever worn.

The Bluetooth connectivity is consistently praised as stable and reliable, with users appreciating the ability to connect to multiple devices. The app is also noted for its seamless connection.

Users find the app simple and easy to use, and many appreciate the physical buttons. Some wish for more intuitive or a greater number of controls.

Customers consistently praise the noise cancellation as supreme and outstanding, often calling it the best they have experienced. Some users note that while generally effective, it's not entirely perfect.

The design is often described as sleek, elegant, and premium, with many finding the fit to be perfect and comfortable. Some users experienced issues with the headphones sliding off or found the fit to be less ideal.

Sound quality is generally rated highly, with many describing it as top-notch, spectacular, and excellent. Some users found it to be flat or muddy, and a few noted it fell short of audiophile standards.

Battery life is generally considered good to excellent, with users reporting long usage times between charges. However, a few reviewers found it to be disappointing or less than expected.

Feedback on treble and mids is varied, with some finding them crisp and detailed, while others noted a rolled-off treble or a need for EQ adjustments. One user specifically praised the treble drivers.

Customer opinions on bass are mixed, with some finding it overemphasized or lacking, while others found it well-balanced or adjustable via EQ. Some users felt the bass was not as good as expected for the price.

Several reviewers expressed disappointment with the value for money, citing the high price point in relation to perceived quality issues. However, a few users felt they were worth the cost.