In this review we compare two wireless over-hear headphones with active noice cancellation for less than $200. While Teufel's Real Blue NC has been around for quite a while its Sennheiser contender is new to the game, and will have to prove itself first.
https://www.notebookcheck.net/ANC-Headphone-Comparison-Sennheiser-HD-450BT-vs-Teufel-Real-Blue-NC.457671.0.html