<p>[Wide Compatibility] - The FM transmitter works with Bluetooth-enabled devices such as iPhones, iPads, iPods, tablets, smartphones, or MP3 and MP4 players via a 3.5mm audio jack. </p> <p>[Remote Control and Music Playback] - With support for a 21-button FM transmitter remote, everyone in the car can freely play music or control calls. You can also use the car FM transmitter to play music from your phone to the car stereo via Bluetooth. MP3/WMA formats are supported. A full range of channels is available, from 76.0 to 108.0 MHz.</p> <p>[1.8-inch Large Screen] - The large 1.8-inch screen displays the caller ID, car battery voltage, volume, FM frequency, and song title while playing music from a TF card or USB stick. It's easy to read both at night and during the day.</p> <p>[Dual USB Ports and Folder Selection] - One 5V/2.4A USB charging port ensures your phone is safely charged in a short time, while the other is for reading USB files. You can always select your favorite files. Not random, no need to wait. </p> <p>【Hands-free Calling】-When you receive a call, it automatically switches from music playback status to hands-free mode. Make driving easier and safer. If needed, you can also easily change the mode to "Privacy". </p> <p>Product Description: </p> <p>Remote control and answer incoming calls </p> <p>Supports 21-key FM transmitter remote control, anyone in the car can freely control music playback or calls. </p> <p>Hands-free calling </p> <p>With a built-in microphone, you can make hands-free calls easily and safely. When you receive a call, just one tap can answer/hang up the call. </p> <p>Monitor voltage (12V-24V) </p> <p>It can also detect the car battery voltage and remind you to replace the car battery. Let you easily understand the battery status. </p> <p>One-button operation </p> <p>Hands-free function: </p> <p>Just one tap to answer the call for safe driving. </p> <p>MP3 playback function:</p> <p>One click to play or pause music.</p>