The versatile TuneBase FM plays your iPod tunes through your car stereo-as it powers and charges your device. By seamlessly integrating an FM transmitter with the versatility of a car power adapter, the TuneBase FM for iPod offers the outstanding convenience of an all-in-one solution on the road. The holder secures your iPod and features an innovative, flexible-steel neck for easy repositioning. This package includes tray adapters to fit various iPod models. Offering improved FM transmission, TuneBase FM delivers crisp and clean audio performance for an unsurpassed listening experience in your car. Its built-in FM transmitter wirelessly connects to your car stereo and operates on multiple FM channels from 88.1MHz-107.9MHz. This lets you listen to your iPod on the best available frequency. Four programmable memory slots let you easily find the clearest frequency, and toggle among them for best performance.