Thanks for the link and the info about the analog input connectivity.
In the past I had used a Philips SHD8900 and I did not feel too much latency compared to wired headphones. Doing a bit of research on them now I found out that they were part of Philips' digital wireless headphones for TV watching with high resolution home cinema sound audio, 2.4GHz RF transmitter and wired connection on the charging dock. They included a few different models in the series like SHD8600, SHD8700, SHD8850, SHD9000, SHD9100 and SHD9200 the latter two having the same form factor and design as the Sennheiser RS 185/195. I have not been able to find latency figures for those.
Those headphones have almost disintegrated now but I have managed to make at at least temporarily usable and I am wondering how I can go about testing the latency for myself and I could use some guidance on that.
Thanks again