Specification 1. Transmitting frequency: 88.1MHZ， 88.3MHZ，88.5MHZ， 88.7MHZ; 2. Moduale method: FM 3. Earphone socket: 3.5 mm(d) 4. Frequency tolerance: 500HZ 5. Transmitting power: 200-50 6. Transmitting distance: 8m 7.power: 3V 2xAAA 8. Electric current: 70-20mA 9. Dimension: 84*43*24(mm) Operating method: 1. There are four channels can be selected: 88.1MHz, 88.3MHz, 88.5MHz, 88.7MHz, you can put the switch on the position of local disengaged channel. 2. Put the plug into the jack of MP3 or CD, then press the switch of MP3 or CD, ( usually the volume is supposed to higher) . When it starts to play, press the switch of 搈ini frequency modulation transmitter? the indicator light will bright. You can put it on the appropriate place of the car. 3. Turn on the radiogram, adjust the volume and switch aptly to listen in the dulcet music.