bluetooth fm transmitter forever tr-300

It a multifunction device that lets you listen to your microSD card and your favorite radio via USB. Automatically mutes music on incoming calls, making phone calls much easier and safer. The large LCD display connected to the remote control is connected with this. Key properties: USB port: yes one USB output input voltage: 24 V bluetooth: yes connector: USB memory card support: yes (up to 32 GB) microphone: yes