Bose QuietComfort Ultra headphones: How the first and second generations compare

How do the new Bose QuietComfort Ultra headphones compare to the first generation? We put them head to head to find out.
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Bose QuietComfort Ultra Headphones (2nd Gen) are the all-around best ANC headphones you can ...

USB-C audio playback while charging, a new low-power mode, and increased battery life make the Bose QuietComfort Ultra (2nd ...