Bluetooth FM transmitter is a product that increases the functionality of even the simplest car radio. Data from the transmitter is sent directly to the cars audio system. Thanks to the built-in Bluetooth function, you can stream music directly from your phone. In addition, the transmitter is equipped with two USB inputs.Specification: Display: LCD Built-in buttons that support the transmitter: YES Reads formats: MP3, WMA Hands-free functions Noise reduction: CVC technology USB: 1 x 3.1 A and 1 x 1.0 A