1. First pair your phone to the Boost TV. You can test this by streaming music to the product. 2. Then press the TV button to switch to the TV sound. Press the TV button again so the LED light is blue--Blue LED means that SoundShift is ON. 3. When you press PLAY on your phone, then you will hear your Bluetooth audio break in over the TV sound. This confirms that SoundShift is working. 4. Simply press SoundShift button again, this will now turn OFF the SoundShift. Now you can watch TV without any interruption from Bluetooth devices.