FOUR 4-FMTBT5 FM-transmitter

This device releases stream music and calls directly from your Bluetooth device to your car FM stereo system. <br /> The built-in microphone provides you with an amazing hands free function, <br /> it is also with a Micro SD card slot that lets you enjoy favorite MP3WMAWAV by your car’s stereo system. <br /> <br /> The dual charging ports support to charge with MAX output 30W.<br /> <br /> Features:<br /> 1. Wirelessly Transmits Phone Call & Audio Streaming to the Car FM Stereo System via Bluetooth<br /> 2. Switch to Hands-free Mode Automatically from Music Streaming Status When Receiving Phone call<br /> 3. 3D Surround Sound brings you a full range of sound with a thrilling effect<br /> 4. Built-in Music Reprocessing Algorithm Guarantees Superior Music Experience<br /> 5. Detects the Voltage of Car Battery When Powered on<br /> 6. Dual USB Charging Ports: QC3.0+PD 30W<br /> 7. Quick activation of Siri/Google Assistant<br /> 8. Support the TF card (Max 32GB) <br /> 9. Bluetooth 5.3