General Spec Screen blue backlight LCD screen FM Frequency 87.5 MHz to 108.0 MHz. Function Enjoy your iPhone player through any FM radio. Compatibility Apple iPhone 3G Others with a remote control, a USB charging cable and car cigarette charger Features Mini, compact and convenient to carry. LCD screen can display the FM frequency. 200 selectable channels (from 87.5 MHz to 108.0 MHz). Power supplied by iPhone (not included), no need extra power supply. Enjoy your iPhone player through any FM radio. With a remote control for easy operaton.