Product Details  1.mp3 in car with FM transmitter  2.OLED display lrc & tiltle of songs 3. supply:12V-24v  mp3 car with fm transmitter features: 1.Rotary joint design.  2. Built-in FM wireless transmitter, total 206 frequencies . 87.5MHz ~ 108.0MHz, 3. OLED Screen Displays 4. Automatically plays MP3 / WMA format music  5. Support 18 language. 6. Support 5 EQ modes(nature, rock, soft, jazz, SRS) 7. With Remembrance of Last Runing Status 8. Draws power from the cigarette lighter in the car: DC12V/24V power. 9. Infrared remote control.Can choose the music and frequency directly. 10. Memory:512MB, 1GB, 2GB,4GB. 11. Working current, 12. Bitrate, 8K bps 320K bps  13. Switch of Channel Set mode, press PH button or use remot control 14. Signal-to-Noise(SNR), 85dB 15. Harmonic distortion(THD), ≤0.05% 16. Using temparature, - 5 to 40 17. Line-in, connect the Line-out of MP3/MP4 player, CD player and DVD player 18. Transmitting distance, 19. System: Windows98 / SE / ME / 2K / XP, MacOS10, Linux2.4.2