Amazon.com : Sennheiser D 10 USB ML - US (506418) Single-Sided Wireless DECT Headset, with Direct Softphone Connection, Noise Cancelling Microphone, and is Skype for Business Certified (Black) : Office Products
Bluetooth headphones sound muffled and bad on Windows PC
HD 450BT
Sennheiser HD 450BT headphones review: Good value, with some caveats : r/gadgets
Amazon.com: Sennheiser HD 4.50 SE Wireless Noise Cancelling Headphones - Black : Electronics
How to activate noise cancelling on Sennheiser HD 4.50?