Product Introduction:<br /><br />    You may need an In-car FM transmitter to stream music from your phone・ tablet・ MP3・ MP4・ TF card・ even USB flash disk to the car stereo system.Enjoy music on the go.<br /><br />    High Stereo Sound. (Easily make crystal clear hands-free calls with CVC noise cancellation technology.)<br /><br />    Flexibility and Convenience. (The flexible neck can be adjusted to the perfect viewing angle for convenient use. Memory function makes auto-connect to the last paired phone possible.)<br /><br />    Voice Prompt. (When it is in pairing mode or Bluetooth is connected・ voice prompt will tell you whether this device is connected successfully or not. This device has memory function. It will automatically connect to its the last paired Bluetooth devices when powered on next time.)<br /><br />    Hands-free Calling. (With this wireless device・ you can conveniently answer/ reject/redial calls through hands-free function. Noise and wind will be suppressed by CVC technology・ creating full duplex sound quality<br /><br />  Features:<br /><br />    With FM signal・ it can play music from your Bluetooth-enabledaudio devices to car stereo system. It also support play music from TF card・USB flash disk. The aux-in makes it can stream music from MP3・ MP4 and otheraudio devices with 3.5mm port. Easy to switch between TF card・ Bluetooth・ USBdisk mode with  M  button.<br /><br />    The 1.44 inches large screen will show incoming call number・voltage