Heands Free Bluetooth Car MP3 Player & FM Transmitter with Steering Remote with USB port and SD card port

Support MP3/WMA music format Stereo Bluetooth and FM transmitter technology, you can transmit music right from your phone (You phone must have A2DP Bluetooth function to transmit music over Bluetooth) Hadnsfree function Excellent sound quality with D.S.P solution for echo cancellation & noise suppression Support SD/MMC card, USB key, blue tooth players and any other players attached by cable 21 keys remote control Infrared Steering Wheel remote control Remember the last frequency and music, track and recall them when restarting Transmit frenquency 87.5-108MHz SNR >60db Frequency response 20Hz~15KHz Rated Voltage 12-24V 1. Microphone 2. Bluetooth match/Pick up/cut off/ play/pause 3. Handsfee convert to mobile phone 4. 1.5 inch LCD display 5. Previous track/ volume decrease?hold the button for few seconds? 6. USB jack 7. Metal Hose 8. Power Indicating LED 9. Power socket 10. Next track/ volume decrease?hold the button for few seconds?Handsfree/convert to mobile phone 11. Decrease channel 12. Bluetooth match indicating light 13. Increase channel 14. AUX input socket 15. Remote Control receive window 16. SD socket