My new Bose Qc 35 II. I have tested both this and sony XM4 and gone with Qc35II.So much happy specially with 4.8.1 firmware. I wonder it is competing with 2020 XM4
Amazon.com: Bose QuietComfort 35 II Wireless Bluetooth Headphones, Noise-Cancelling, with Alexa Voice Control - Rose Gold : Electronics
Bose 700 vs. Bose QuietComfort 35 II: Which should you buy? | Tom's Guide
Bose QuietComfort 35 II review: These already excellent headphones get a touch better - CNET
BOSE QuietComfort 35 II Wireless Noise Cancelling Headphones - QC35 II Silver | eBay
Best Buy: Bose QuietComfort 35 II Wireless Noise Cancelling Over-the-Ear Headphones Black 789564-0010