- Wireless Bluetooth FM Transmitter: Enhance your driving experience with this easy-to-use FM Bluetooth transmitter. It combines multiple functions, including QC3.0 fast charging, music playback, and hands-free calling, all in one compact device. - Memory Card Slot & 7 Lighting Effects: Store your favorite songs on a memory card and enjoy them in your car, just like the classic days. The transmitter features 7 adjustable lighting modes to create the perfect ambiance, changing colors with a simple press of the "M" button (red, orange, yellow, green, cyan, blue, purple). - Dual Charging Ports & Hands-Free Calling: Charge two devices at once with a QC3.0 port (5V/3A) and a USB port (5V/2.4A). The Bluetooth adapter allows for hands-free calling, enabling you to answer, reject, or redial calls with one click, ensuring safer driving. - Convenient Installation: The package includes an air vent clip and a sticky seat for easy mounting on your car's air vent or dashboard. With a 1.1-meter cable, you can position the device wherever it's most convenient. It automatically switches to hands-free mode when a call comes in, ensuring you never miss a call while enjoying your music. Use this Bluetooth transmitter to upgrade your in-car audio system, keep your devices charged on long trips, or make hands-free calls effortlessly. Perfect for daily commuters or road trip enthusiasts, this device is a reliable companion for safer and more enjoyable driving.