Car FM Transmitter + USB Charger Adaptor for iPOD/ PDA/ MP3 Wireless FM transmitter plays any portable audio devices (with 3.5 mm stereo jack) through vehicle stereo systems Charge/Power your PDA/ iPod with USB Charger Cable, your PDA/ iPod will never run out of power Works with PDA, MP3 players, iPod and any audio devices with 3.5mm stereo jack