The Universal Bluetooth Hands-Free Car Kit with FM Transmitter from Scosche allows you to play music through your car stereo while charging your USB-powered devices. When plugged into your vehicle's lighter port this device will wirelessly stream music from the digital FM transmitter to your FM stereo. This FM transmitter lets you change music tracks play and pause your favorite songs and even take calls. It has a built-in microphone with echo cancellation so you can have clear conversations on the go.