Griffin 10008-SNSATA iTrip Auto FM Transmitter and Car Charger for Sansa (NOT Compatible with Apple products) Listen to your Sansa's music on your car's FM receiver Gets its power from your car's 12-volt accessory port Backlit LCD for easy visibility during setup Plays on the full spectrum of FM frequencies (87.9 to 107.9 MHz) Compatibility: Sansa C200, Sansa E200