Plug the USB turntable into your laptop, then plug the Bluetooth transmitter into the laptop's secondary USB port.
Go into your computer's settings menu, then open the Bluetooth folder located under the Internet and Wireless menu bar.
Turn on the Bluetooth headphones, then press the plus sign in the bottom left corner of the settings screen. Wait while your computer searches for new Bluetooth devices.
Click on the name of your headphones when it appears in the window. Your Bluetooth headphones are now ready.