I had forgotten about Sony. They were indeed going back and forth with Bose on who could make the highest quality ANC. I actually had a pair of Sennheiser nois

I had forgotten about Sony. They were indeed going back and forth with Bose on who could make the highest quality ANC. I actually had a pair of Sennheiser noise cancelling headphones and they had a really good BT implementation, super low latency and the ANC was really good. Sadly they developed a persistent hiss in one earpiece.