Fast charging and multi-device power: This FM transmitter is equipped with fast charging capabilities to save time and keep you connected. Dual USB ports, including a high-speed USB Type-C port, let you charge two devices at once. The total output is 2.4 A, delivering quick and efficient charging for smartphones, tablets, or other devices. Hands-free calls: Built-in microphone enables clear, convenient hands-free communication, improving driving safety. Easy setup and use: Plug the transmitter into your car’s cigarette lighter, pair with a Bluetooth-enabled device, and set the FM frequency to match your car radio. Start music streaming or make wireless calls easily. LED display and intuitive controls: LED display shows current FM frequency, voltage, and incoming call information. Handy buttons let you adjust volume, change tracks, and answer or reject calls, enhancing your driving experience. Wide compatibility and sleek design: Compatible with most smartphones, tablets, and MP3 players, and supports direct music playback from TF cards and USB drives. Compact, matte finish design blends with your car interior, offering durability and style. Use scenarios: - Daily commute: Hands-free calls, music streaming, and charging two devices at once. - Road trips: Simultaneous device charging, Bluetooth music playback, and TF or USB playback. - Quick stops: Easy setup and stable FM frequency matching for immediate use.