An FMtransmitter is a handy and portable device which you can plug into the headphone jack or in an output port of portable audio and video device for instance, a portable media player, CD player or satellite radio system. The sound is broadcasted through the transmitter which plays through an FM broadcast band frequency. The use of FM transmitter is to play music on the go such as driving through a car, while using stereo and through radio. The FM transmitter plugs into the audio output of the devices and converts the audio output into an FM radio signal which can be caught by the electrical device attached in the car or portable radios.

With FM transmitter you can listen to your favourite songs without any problem. FM transmitters usually have a short range but some have wide range which enables them to catch signals in an effective way. Some FM transmitters have a short range of up to 30 feet (9 meters), some have the range of 75 feet and some FM transmitters have the highest range of more than 75 feet and can broadcast on any FM frequency from 88.0 to 108.0 M Hz.  Therefore, when you go to buy FM transmitter you must keep in mind the range for your FM transmitter which you want to have in it.

The main advantages of FM transmitters are that they do not create distortions. They are designed in a way that their frequency modulated wave is less vulnerable to interferences from buildings, noise. Thus, they will provide better signals. FM transmitters with higher wave frequency can receive more data as well. They use less radiated power also.

There are many high quality FM transmitters available in market today. Among them, the best choice in FM transmitter is "Hands Free Bluetooth Car Charger and FM Transmitter Kit for iPhone 3G 3GS". If you are a busy employee or running your own business and you are worried about charging your iphone? Then this model of FM transmitter which has hands free blue tooth car charger for your iphone. With it you can charge your iphone and also listen to the music of your choice to keep you relax while hectic work schedules and everyday business disputes. FM transmitter is apt for all kind of cars. And it is USB port for charging iphone making it the best choice for you to buy.