Bose QuietComfort Ultra Earbuds vs. QuietComfort Earbuds II: Not much of an upgrade

Both of these high-end Bose earbuds deliver best-in-class sound quality and active noise cancelling
The new QC Ultra earbuds offer some neat, novel features, but aren't much different from the QC Earbuds II

Bose QuietComfort Ultra Earbuds Review: Slightly Better Than Last Year's Model - CNET

Bose QuietComfort Ultra Earbuds review: amazing spatial sound

Bose QuietComfort® Earbuds II Limited Edition (Midnight Blue) True wireless noise-cancelling in-ear headphones at Crutchfield

Bose QuietComfort® Ultra Earbuds (White Smoke) True wireless noise-cancelling in-ear headphones at Crutchfield Canada

Bose QuietComfort Ultra Earbuds Review

Bose QuietComfort Ultra Earbuds vs. QuietComfort Earbuds II: Not much of an upgrade

Bose QuietComfort Ultra Wireless Noise Cancelling Earbuds in White Smoke

Bose QuietComfort Ultra Earbuds vs. QuietComfort Earbuds II: Not much of an upgrade

Bose QuietComfort Ultra Wireless Noise Cancelling Earbuds in Black