KM28 Vehicle Bluetooth Adapter - Large Color Display: Enjoy essential information at a glance, including phone numbers, vehicle battery voltage, FM frequency, and part names. The large color display enhances visibility, making it easier to monitor your device while driving. - Ventilation Clip Installation: The innovative ventilation clip allows for optimal viewing angles, ensuring you can access information comfortably without distraction. - Dual USB Ports & Fast Charging: Equipped with QC3.0 technology, charge 80% of your device's battery in just 35 minutes. The adapter supports multiple connection options: Bluetooth, USB drive, TF card slot (up to 64 GB), and a 3.5 mm AUX output, catering to all your audio needs. - Hands-Free Calling: Seamlessly transfer phone calls and audio through Bluetooth. Easily answer, end, or reject calls using the rotating button. Voice commands allow you to stay focused on the road while managing calls and navigation. - Enhanced Audio Performance: The large microphone effectively captures sound while minimizing background noise through CVC and DSP technology. Customize your listening experience with Bass and Treble adjustment modes to suit your music style. - 8 Color LED Backlight Modes: Create a vibrant atmosphere in your car with 7 mono color modes or a dynamic color change mode. Easily switch settings with the light button for an engaging driving experience. Use Scenarios: 1. Charge your phone quickly while navigating through your favorite music playlists on a road trip. 2. Enjoy hands-free calling during your daily commute, allowing you to stay connected without compromising safety. 3. Set the mood in your vehicle with customizable LED lighting during a night drive with friends. The KM28 Vehicle Bluetooth Adapter combines functionality and style, making it an essential addition to your driving experience.