Mike D.

They are called “Wireless” headphones when there is a wire connecting them. “True Wireless” means two separate earbuds.

If the IEEE (electrical engineering society) is saying something it must be really bad. They rarely if ever get involved in things like this.

My Canon laser multi-function works fine. Connected with Ethernet it just does its thing.

My wife has had issues printing some PDFs from OSX but she is always too busy for me to look at it.