FM transmitter with Bluetooth for transferring music and hands-free It can work as an FM transmitter or Bluetooth hands-free. The FM transmitter is equipped with microSD reader, USB reader/charger. Works with all phones with bluetooth. Perfect for e.g. streaming Spotify or other music to the car's sound system/speakers. The device has a built-in microphone for calls and an answer button to answer/hang up. There is also an LCD display that shows the set radio channel you should set the stereo to in order to get the sound out of your speakers. Automatically switches between music and calls/calls and music when it rings or when you hang up. Quantity: 1 piece Color: Black Size: 101.73 x 66.77 x 49mm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.