<p>Surround Light and LED Indicator: When powered on, the surround light glows blue, making it convenient for use in dark environments and creating a cheerful atmosphere. The LED display easily displays the volume, auto voltage, and FM frequency. </p> <p>Dual USB Ports and Safe Charging: Supports simultaneous charging of two devices with overcharging protection. The USB port with a music symbol (5V/1A) can read USB flash drives, while the second USB charging port (5V/2.4A) efficiently charges your smart device. Enjoy stereo streaming in your car while charging your smartphone simultaneously. </p> <p>Three Ways to Stream Music: The Bluetooth FM transmitter can stream clear stereo music in three different ways: A. The FM transmitter can play music from a Bluetooth device to the car radio via FM signals; B. Stream music from an SD card, supporting music files such as MP3/WMA/FLAC/WAV/APE; C. Transfer music from a USB flash drive (up to 32GB). </p> <p>Hands-Free Calling: With this wireless device, you can conveniently answer/reject/redial calls and drive safely with the hands-free function. Noise and wind noise are suppressed with CVC technology to ensure full-duplex sound quality. </p> <p>Simple Setup: Plug this wireless car kit into the cigarette lighter socket, tune the FM car radio to an empty station (87.5-108.0 MHz), and tune the FM transmitter to the same station. Pair with your phone via Bluetooth 4.2 and enjoy music. </p> <p>Product Description: </p> <p>Hands-Free: Click the MFB button to answer/redial/end or reject a call. </p> <p>Voice Navigation: This FM transmitter supports navigation apps on your phone. </p> <p>2 USB Charging Ports: With 2 USB ports (5V-2.4A and 5V-1A), you can charge two devices simultaneously through this FM transmitter while driving. </p>