Belkin Tunecast II FM Transmitter ?

An unused transmitter for MP3 for the car. Boxed opened but product unused. Wirelessly connect your MP3 player to an FM stereo. Transmits on any FM station from 88.1 - 107.9 MHz. 5mm stereo headphone plug. 4 progammable channel. Package include: Tunecast II FM Transmitter, Quick start guide, User Manual, 2 AAA batteries and a car adaptar