Small and handy multimedia machine that can function as an FM transmitter or Bluetooth hands-free in your car. By placing it in the 12V socket in your car and setting it to the same frequency as your FM transmitter with microSD, USB, AUX & Bluetooth The FM transmitter is equipped with microSD reader, USB reader and can be paired with other Bluetooth devices. No matter how you prefer to store your music, you will be able to play it through this FM transmitter. Works with compatible with iPhone, Android and more (i.e. all modern smartphones that are compatible with Bluetooth). Perfect for, for example, streaming Podcasts, Spotify or other music/media to the car's sound system! Hands-free via built-in microphone The device has a built-in microphone for calls and an answer button to answer/hang up. This allows you to answer calls and talk on your mobile phone safely while sitting in the car. The device switches itself between music and calls/calls and music when it rings or when you hang up. Large & clear LCD display There is also an LCD display that shows which radio channel you should set the stereo to to get the sound out of your speakers. Specifications: Support for microSD cards Support for USB memory (1x for USB memory with music) 3.5mm plug (cable included) Bluetooth hands-free A2DP Music streaming