I recently bought a audio/mic splitter (Splitter in mention in case it helps( https://www.amazon.co.uk/KingTop-Headse ... t+splitter) in order to use the headset that ...

hi. i want to play audio from my nintendo switch and phone at the same time to my bluetooth headphones, do i need 3.5mm splitter that I plug into a 3.5 to bluetooth transmitter or is there a bluetooth ...