iKross 3.5mm LED FM Radio Transmitter with Auto-Scan Music Car Vehicle Kit
User Instruction:*Press the Auto Scan button and tune the car radio to the frequency FM Transmitter chooses for you.*You can also select frequencies manually, Press UP or DOWN button to adjust the frequency of the FM Transmitter according to the receiver.*Through the car stereo play the music of your iphone or MP3 Player enjoy it.*It will automatically mute the music and switch to talk mode during calls and resume playing music after calls.*You can talk hands free via built-in stereo microphone and the car stereo. You can also use the handsfree function when you make a call.*For optimal voice clarity, distance of 30-60cm between the user mouth and the microphone is advised. If distance significant noise happens*lease tune down the volume of the mobile phone and tune up the radio.*This FM talk Transmitter Only works on IPhone 3G 3GS, not compatible with any other Smartphone or Cell phone.