Technaxx FMT600BT is a multifunctional device. It is essentially an FM transmitter for your car that allows you to connect your audio device via Bluetooth or via 3.5 audio jack, and play your favourite music on your car's radio system. Technaxx FMT600BT also features two USB ports for charging your smartphones, or even tablets and for playing music from a USB flash drive. It's functionality extends even more! Technaxx FMT600BT Bluetooth FM transmitter features a handsfree function and a built-in microphone so you can receive calls.