These Wireless Speakers allow you to extend the audio range of your home stereo, your MP3 and MP4 Player, iPod, PC or audio desktop device to parts of your house that may be difficult to reach with wired speakers. These are wireless speaker, with internal rechargeable, that can receive a signal from up to 50 meters away in an open area. The system comes with a base station with tow wireless transmitting antenna, one charger and tow speaker. Connect the base station to your home stereo, PC, MP3, MP4 Player or any other audio device through the headphone jack and it will transmit the sound to the speakers, even through walls and floors.