Current next cheapest price I was able to find was $488 from Wireless1. I know they were $347 during Boxing Day sales so it's not the cheapest it's ever been, but with all the Beats sales around, I thought I'd just let people thinking about getting wireless noise cancelling headphones know that these are a legit option and they blow the Beats Studio 3's out of the water for audio and build quality.
Having owned both, there's no noise cancelling hissing with these, and they have a much better feel to them - Much more comfortable. Having said that, please do go to a store and give these a try and see how you feel. It may be that you prefer a different sound profile.
These have a 2 Year Warranty, multiple carry case options (soft bag + larger zip up bag with leather detailing).
WhatHiFi review
CNET review
Soundguys review
DigitalTrends review
If you prefer on-ear https://addictedtoaudio.com.au/products/sennheiser-momentum-… for $448 (not sure if this is a good price, but hey, ~options~)
Got the wired version for $207, still unopened, why did I buy it?