Joyroom Car Wireless FM Transmitter With 1.5m Coiled Cable Silver JR-CL18 is a wireless FM transmitter designed to enhance your car audio experience. It has wireless connectivity that allows you to effortlessly stream music from your Bluetooth-enabled devices to your car's audio system, it also supports TF card and USB flash drive playback for added convenience. This device has a sleek silver finish that gives it a classy look and it easily blends with the interior of any car. in addition to being a wireless FM transmitter, it also has a hands-free calling function, it has a built-in microphone and Bluetooth call connectivity, with its help, you can now attend calls while having both your hands on the steering wheel.