Simply connect your iPod, CD/MP3 player, TV, stereo, or other audio source to the transmitter, which is capable of servicing additional speakers for audio coverage in multiple locations.
All-weather, 900MHz wireless outdoor speaker transmits crystal-clear sound up to 150′ through walls, floors, and ceilings
Includes an audio-in port that allows you to plug your iPod directly into the speaker for easy outdoor use. Built-in solar panel keeps the battery fully charged.

link