Wireless Remote Control FM Transmitter with Car Charger for iPod iPhone Nano High fidelity and frequency, stereo, digital pll LCD display with blue background lighting 200 selectable channels(88.1MHz~107.9MHz, 0.1MHz/Step) Muti-memorial channels, individual design to meet different requirements Small electric current, power supply by iPod, no need extra power supply Compatible: iPhone 4, iPhone 3GS, iPad, iPhone3G, iPhone, all iPad models (incl.Nano 4, Touch 2, except shuffle) Charger iPod through the device by charger Operating Instructions: Turn on iPad player, plug the FM transmitter into the connector port of iPod Adjust the volume and frequency of the FM radio(avoid the transmission channel of the broadcasting stations) Press “+” increase 0.1MHz frequency, “-“ key decrease 0.1MHz frequency Choose the best frequency, then choose “1”“2”“3”key and press for 5 seconds. To keep it in your memory group.(if the sign is interrupted, please set the frequency of the FM transmitter and the FM tuner to some other frequency) Directly supply power for iPod, connect charger into the bottom of the device Compatible with: iPhone 4, iPhone 3GS, iPad, iPhone3G, iPhone, all iPad models (incl.Nano 4, Touch 2, except shuffle) Packing includes: 1 x FM transmitter 1 x Remote control 1 x Car charger