Play Portable audio devices through your car or home stereo without wires

Perfect for Nintendo DS/PSP/ iPod / MP3 / CD players & any other portable audio player that utilizes a standard 3.5mm headphone.

Plug Tune-Free transmitter into your audio device
Set Tune-Free and your stereo to the same frequency: from 88.5MHz to 107.9MHz
Turn on the Tune-Free and the audio device, the music will be transmitted from the Audio device to the FM stereo wirelessly.

Specifications:
High quality (non-OEM) Audio FM Transmitter.
Modulation - FM
Channel - 14 channels to choose from
Frequency - 88.9MHz, 106.7MHz to 107.9MHz
Available distance - 3 meters
Power - 2 x AAA batteries
Using time - 15 hours
Standby Time (using 1 hour a day) - 45 days