What are the solutions for connecting several wireless headphones to one 3.5mm jack source?

Question

Bluetooth

One of the most popular links on this topic:
how-to-fix-earbuds.blogspot.ru/2012/01/how-to-conn... (kokkia)
There is more:
www.monoprice.com/Search/Index?keyword =bluetooth+t...
and
www.sena.com/product/adapters/sm10.
What do you know?

Answer 1

If the headphones are wireless, and the transmitters are connected by wire, just connect in parallel. There shouldn't be any problems.