Easy Installation- Simply plug TuneLink Auto into power socket, launch music app and you are ready to go. FM or AUX: use FM transmitter or AUX input, either way it sounds great. Bluetooth- based and auto-pairing, easy to link to your iPhone, iPod Touch or iPad Advanced Features- Best-in-class Bluetooth technology supports wide range of codecs resulting in the best possible stereo audio quality. Link to your car’s audio system from up to 45 feet away. TuneLink Share mode allows multiple users to share the Bluetooth link in the same vehicle. Auto Play/Auto Reconnect: when you start your car, TuneLink finds your device, automatically pairs to it and starts playing your music from where you left off. Fast Charge: 2.1 mA charger- RDS Enabled: passes song and track information to RDS-enabled stereo displays. European and Asia Pacific Modes: special FM settings for different FM modes throughout the world. Call us for live, friendly, human customer service at 910-399-7073, or by email at support@newpotatotech.com. New Potato proudly stands behind TuneLink Auto for iPhone with a one year warranty. And it IS a GREAT product.