- Hands-Free Calling: Enjoy seamless hands-free communication with the built-in microphone and single-button control for answering, rejecting, ending, and redialing calls. The advanced anti-interference performance and CVC noise suppression technology effectively eliminate road noise, wind, and other distractions, ensuring clear calls and uninterrupted music streaming. Receive clear voice navigation from your phone's app, making driving safer. - Enhanced Bluetooth 5.3 and HiFi Deep Bass: This FM transmitter utilizes Bluetooth 5.3 technology, optimizing transmission delays and connection errors for stable and fast connections. Experience crystal-clear calls and lossless music quality. The "EQ" button allows for powerful deep bass and immersive stereo sound. Once paired with your device, reconnection is automatic for convenience. - 7-Color LED Backlighting and Battery Voltage Detection: Customize your driving ambiance with 7 changeable backlight colors (red, blue, green, purple, yellow, cyan, and white). Easily toggle the lights on/off or switch colors using the "bulb" button. The LED display shows the FM channel and your vehicle's battery voltage, enabling you to monitor voltage levels to avoid issues while driving. - 42W Safe Smart Fast Charging: The FM transmitter features a PD 30W Type-C charging port and a 5V/2.4A (maximum 12W) USB charging port, allowing simultaneous quick charging of two devices. Built-in protections against overcurrent, overvoltage, short circuits, and smart temperature control ensure safe charging for all vehicle types, including cars, vans, and trucks, compatible with 12-24V cigarette lighter sockets. - Wide Compatibility: This Bluetooth adapter supports most smartphones and Bluetooth-enabled devices, including iPhone, iPad, iPod, Samsung Galaxy, Android tablets, Google Pixel, and LG devices. Play music through your vehicle's audio system via Bluetooth, micro SD card, or USB flash drive, compatible with MP3, WMA, FLAC, and WAV formats. Ideal for hands-free calls, music streaming, and safe navigation, this product enhances your driving experience with its versatile features and reliable performance.