These SX-009 wireless headphones give you the ultimate personal listening experience, great sound with no cords to trip you up! You can move about the house or work in the yard while enjoying your favorite music or listening to the big game. The wireless transmission technology sends audio signals from the transmitter to the headphones at distances up to 100 feet, right through walls and doors. Also features multi-function input for stereo, DVD player, TV or computer. The SX-009 wireless transmitter also has a built in FM radio tuner for added convenience.