Monster iCarPlay Wireless FM Transmitter

Simple device plugs into your dash and the iPod Dock Connector.
Tune the transmitter and your car radio to the same FM frequency to play iPod music or audio books through your car’s sound system — without wires.
At the same time, you’ll be charging your iPod’s battery, not draining it!
Supports all iPods and iPod minis with Dock Connector.

See: Monster iCarPlay Wireless FM Transmitter