Plug the MP3 player into cigarette lighter of your car directly LCD display of frequency / track No Transmitter Specifications: USB2.0 port, high speed LCD screen (128*64) Built-in memory supported: 512MB / 1GB / 2GB / 4GB / 8GB (not included) 3.5mm jacket audio input, support line-out Voltage: DC12V-24V Files supported: MP3/WMA Working currency: 60-70mA Bit rate: 48-320Kbps FM frequency range: 87.5-108.0MHz SNR: 85dB (FM: 65dB) Harmonic distortion: Working temperature: 0~60 degrees Celsius Distance supported: within 5mPackage Contents: 1 x Car MP3 FM Transmitter 1 x Remote Control 1 x Audio Cable