Bluetooth function:Bluetooth wireless music transmitter, handsfree car kit for dialing and conversation.
Support voice dialing (mobile phone must has this function) 

Transmission through the vehicles speakers.
When incoming a call,the device can reporting number.
Full frequency:87.5-108MHz.
LCD display:As the player vary, the lighting color vary. And to display corresponding sign at the same time. eg: when you used IPOD,the light will be blue and display the sign as ipod. And MP3,will be yellow.
There are 3 connector of the device.
1. USB connection:   1>Can charger for ipod.iphone,iphone3G,nano,itouch,mp3,mp4,cell phone and so on.  2>Read USB flash disk, support kinds of music document format, such as wma,mp3 and so on.
2. 3.5mm audio wire
3. mini connector: power supply connector.
4. the body of the product can rotate 360 degree.
5 the cigar lighter and cupule can replaced freely
6 with adust angle function
7 read the u disk

Super powerful remote control
1. Functions power ON/OFF, Frequency UP/DOWN, PREV/NEXT tune, Mute sound, volume UP/DOWN. And supported for full ipod functions
2. Dialing call: press on 0-9 keys launching a call.
3. Tune choose: directly orient tune according to their serial number,If you know the serial number of the tune that you want to choose.
e.g the 1234th one, you can use the keyboard on the control to orient directly. At this time, only to enter 1,2,3,4, then press OK, player will run to the oriented 1234th tune, and start to play.
4.Choose EQ mode: Their 9 EQ mode: such as NORMAL, ROCK, SOFT, JAZZ, SRS and so on.Press EQ button , you can change to each mode according above frequency

The Car MP3 FM Transmitter uses FM radio waves to send sound from any device you choose,such as MP3,MP4,CD or MD to any nearby FM radio or stereo system.

If you would like to know more about it,please see A&Q below:

1,How dose the FM transmitter work? 

FM transmitter transmits the audio signal from your portable music device such as MP3,MP4,CD, MD,portable computer and palmtop and then play in the car's frequency stereo device.

2,What are the advantages of using Car FM transmitter?      ; ; ; ; ; 

Car MP3 FM transmitter provides you individual music choice,what you listen to is what you want to listen;You don't need to make any change about the audio equipment in your car and this can save your money and time.Just download your favorite music from internet to save your money spenting on CD.

3,How to distinguish the different sound quality of car audio system?  

1)Definition Good transmitter can provide you clear voice effect all the time. 

2)Harmonious sound effects.The music should be played in sufficient mediant and bourbon as well as moderate alt.

3)Balance.The output of main and assistant loudhailer should be on the right ratio,while the left and right track should be consistent. 

4)Sonority.Good timbre will make you feel comfortable in terms of sonority in the music enjoyment. It is advisable you choose excellent music source and your familiar music to test the timbre.

4,I would buy a MP3 device if I could plug it into my car stereo,but I don't like the sound quality of those that go through an FM station.Is there any way to plug the device directly into the car stereo? 

The answer to your question is yes. Just connect your MP3 player or other audio equipments (such as CD player, MD player, laptop computer and palm computer etc.) with Car MP3 FM transmitter and then plug into the cigarette outlet (12V—24V) in your car,then you can enjoy your favorite music even on the road.Also it provides you professional stereo music effect which is able to satisfy your high quality request.