<p>1.44-inch LCD Display: The KM18 Bluetooth FM transmitter features a 1.44-inch screen that optimally displays phone calls, FM channels, music, car battery voltage, and more. This ideal screen size helps you drive safely without distraction. </p> <p>Flexible Gooseneck and Bluetooth V5.0: The wireless RF adapter's rotatable gooseneck provides an adjustable viewing angle and optimal viewing comfort of the LCD screen. With Bluetooth V5.0 technology, the car Bluetooth adapter delivers a more stable, faster connection without intermittent interruptions. </p> <p>Noise Cancellation and High-Fidelity Sound: Noise cancellation technology suppresses road noise, providing clear, crisp sound for hands-free calls. High-quality music streaming ensures crystal-clear sound while listening to music and talking hands-free. </p> <p>Hands-Free Calling: One-touch hands-free calling: Answer/Reject/Raise Hands/Call Back lets you seamlessly switch between calls and music. This Bluetooth transmitter gives you full voice control for safer driving. </p> <p>Wide Compatibility: This car FM Bluetooth transmitter is compatible with most devices on the market, including iPad, iPhone, iPod, HTC, Galaxy, Sony, MP3 players, tablets, and Android smartphones. You can play your favorite songs on your car stereo via Bluetooth, a TF card, and an auxiliary cable. Suitable for 12V-24V cars and trucks.</p>