I've been looking for a cheap one of these to use around the house. Bonus if it works in the car too . . .
Digital wireless FM transmitter - play all your digital music via your car stereo, standard 3.5mm jack for all MP3/iPods - FREE DELIVERY ON THIS ITEM
ATMT iZone wireless digital FM transmitter
Connects to any audio MP3/MP4/iPod device via 3.5mm jack
Once connected tune the transmitter and the stereo to the same frequency and enjoy all your own music on your car stereo
Comes with cigarette lighter adapter for power or takes AAA batteries
Recharge from your PC USB port (will only work with rechargeable batteries)