FM transmitter with Bluetooth for transferring music and hands -freeIt can work as an FM transmitter or Bluetooth hands-free. The FM transmitter is equipped with microSD reader, USB reader or charger.Works with all phones with bluetooth.Perfect for e.g. streaming Spotify or other music to the car's sound system or speakers.The device has a built-in microphone for calls and an answer button to answer or 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 or calls and music when it rings or when you hang up.FM transmitter with Bluetooth for transferring music and hands-freeIt can work as an FM transmitter or Bluetooth hands-free. The FM transmitter is equipped with microSD reader, USB reader or charger.Works with all phones with bluetooth.Perfect for e.g. streaming Spotify or other music to the car's sound system or speakers.The device has a built-in microphone for calls and an answer button to answer or 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 or calls and music when it rings or when you hang up.Specifications:microSD cardsupport 2x USB sockets for USB memory or charging the phoneA2DP Music streamingProduct parameters:Interface: high-speed USB2.0Screen: LED screenSource: Cigarette lighterMemory card type: TF cardPower supply: DC12-24VSupport file type: MP3 or WMAOperating current: 50-100mA DC12V Bitrate: 64-320 kbpsFM frequency range: 87.5- 108 MHzSignal to Noise Ratio: 85db (FM: 65db)Harmonic Distortion:ColorBlackContact typebluetoothProducts from Bazhou's store 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.