You normally get 2 yrs warranty along with Bose, I had issue they replaced be with a new headset , they give you a free pickup option and free replacement delivery
I agree about the downgrade element of your comment, although I must say that, having upgraded from the Mark 1 to the 2, then on to the 3, there was a massive improvement from the already excellent 2 to the 3. I’m glad I did it.
The Sony to these? wouldn't be an 'upgrade' - a downgrade if anything. And unless you have money to burn, probably not worth upgrading to XM3's
Worth upgrading from the 1000XM2 or not?
The Bose 700 are comfortable, but I’m not convinced when it comes to their durability, and the noise cancelling still isn’t at the levels of the Sony 1000XM3, in my opinion. I bought the Sony some time ago and tested out the Bose 700 recently to see if I should change - I decided not to because I already have the better of the two