Digital 007 4-in-1 Wireless Headphones Receive wireless signals from your TV, CD, MP3 player or computer. Connect one of these devices to the wireless transmitter via the included RCA cables to receive wireless signals 3.5 mm plug cable with microphone for online chat or use as wired headphones Short telescopic Antenna, FM Radio Tuner, Volume controls on headphones Wireless reception from your TV, CD, MP3, DVD & VCR player or PC by connecting one of these devices with the included RCA cable FM Radio tuner, Short telescopic Antenna Volume control on headphones 30 foot effective wireless range