Coupon appears to work for these headphones too, not bad price!
Also
Bose 700 $337.45 Silver and black
And Sony whx1000xm4b $335.75 Silver and Black
mods - please note these headphones are very different to the wf1000xm4b which are ear buds!
The best from Bose.
Now optimized for Amazon Alexa and the Google Assistant.
QuietComfort 35 wireless headphones II are engineered with world-class noise cancellation. And now they’re even better with direct access to Amazon Alexa and the Google Assistant for simple voice control on the go. Your music. Your voice. You’re in control.
Outstanding piece of kit and price.