Sly Electronics Wireless Earphone and Transmitter with FM Radio, SLH200W: * * Wireless reception from any electrical device with audio outputs * Connect to your PC and enjoy chatting through the built-in microphone on the transmitter * Place the transmitter near the object/person you want to monitor and listen through the earphones * Enjoy TV programming through the wireless headphone * Listen to FM radio through the earphones * Equipped with an audio cable, the receiver can be used as a wired earphone * Effective Range: Over 25 Feet unobscured * Reception through walls and other obstacles (May have static depending on range/walls)