Plug into headphone jack . Turn on, Volume switch. Press bottom switch untill you get Computer or go back to radio station you started with. If no Computer and you are back at starting radio station, press top switch and start pressing bottom radio station scan again until you hear Computer.
Test sound is coming out of headset but can't here sound
You need to install the software for your wireless headphones to make it work on your computer. If it is already installed then you need to configure it according to the specifications. For more details, check the headphone manual for connection to the computer and troubleshooting.