Improved Communication: Stay connected while keeping your hands convenient with this FM transmitter's noise-canceling microphone and one-touch call answering feature. The advanced call module ensures crystal-clear call quality, making communication smooth and effortless even when driving Seamless Audio: Lift your in-car music experience with our FM transmitter that transmits audio signals seamlessly to your car stereo system via FM band. No complicated wiring required, just plug and play for high-quality wireless transmission that keeps your music uninterrupted Massive Storage: Plug and play to effortlessly indulge in your own music library. With massive storage and multi-format compatibility for MP3, WMA, and other audio formats, listen to all your favorite popular songs and audiobooks with ease Long-Distance Traveling No Worry: With a USB port at the same time, this FM transmitter meets diverse charging needs and provides fast charging for cell phones or other electronic devices through its USB Charging Interface equipped with PD fast charging technology Safe Control: With an intelligent interface and user-friendly use buttons, you can easily change songs, adjust the volume, browse playlists, and more using the intuitive LCD display