Mobile FM Transmitter parameter: change the sound of mp3/CD/VCD/DVD into FM signal,then you can share music with others through radio.It's popular with driversSpecification Specification 1.transmitting frequency:88.1MHZ.88.3MHZ.88.5MHZ.88.7MHZ; 2.moduale method:FM 3.earphone socket:3.5mm(d) 4.Frequency tolerance:+-500HZ 5.Transmitting power:200+-50uw 6.Transmitting distance:8m 7.Voltage:3V AAA* 8.Electric current:70+-20mA 9.Dimision:84*43*24(mm) key: mobile ,FM transmitter,MP3 FM transmitter,Car MP3 transmitter