SHARPER IMAGE SHP921 Universal Wireless Headphones For TV, Black Please refer the User Guide before use. The setup process requires some effort to find the right frequency of use. Connectivity Technology: Wireless Most important steps are: "press and HOLD the RESET button for 1 second. Press and HOLD the SCAN button for 1 second. You should now be able to hear the audio signal on the headphones. If not, repeat these steps to find the right signal. Watch TV, listen to music, use with computer, and more, all without disturbing those around you who prefer peace and quiet. The wireless receiver connects to your device's audio input, or the headphones can be used independently for FM radio Padded Ear Cushions And Adjustable Headband Provide A Custom And Comfortable Fit