iTrip Auto for Sansa - FM Transmitter & Auto Charger - iTrip Auto for Sansa - FM transmitter made specifically for Sansa E200 & C200 series MP3 players; iTrip lets you play music from your Sansa through any FM radio. A convenient one-piece transmitter and charger, iTrip needs no batteries. A must for any Sansa owner. Combination auto charger and FM transmitter. Large, easy to read backlit LCD screen. Selectable DX and LX modes for best-quality audio. Uses line out for low distortion.