1. 7-color LED backlight modes The device features 7 different LED backlight colors and 1 color cycle mode, providing a visually appealing light display. You can choose to keep one color or have the light cycle through different shades. This feature is particularly useful for nighttime driving as it makes the device easy to see and adds to the beauty of your car's interior. 2. Hands-free FM Bluetooth transmitter The Bluetooth transmitter wirelessly connects your phone to your car's radio system via Bluetooth. It supports hands-free calling, allowing you to answer, redial, hang up, or reject calls with a single click. This helps you stay focused on the road. The built-in microphone and CVC (Clear Voice Capture) technology ensure clear call quality by reducing background noise, making calls safer and more convenient while driving. 3. Type-C and QC USB chargers The device includes Type-C (PD 3.0) and Quick Charge 3.0 USB ports for fast charging. The Type-C port can charge compatible devices such as forSamsung, iPhone, and forGoogle devices from 0% to 50% in just 30 minutes, ensuring your phone charges quickly. The QC 3.0 USB port is also designed for fast charging, charging your device from 0% to 80% in about 35 minutes. Both ports allow you to charge two devices at the same time, which is especially useful when driving long distances or traveling with multiple passengers. 4. Car Radio Adapter and Music Player This Bluetooth transmitter can connect to your car radio via FM channels, allowing you to play music from Bluetooth-enabled devices such as smartphones or tablets. In addition to Bluetooth streaming, it also supports music playback from a TF card (up to 64GB) or USB flash drive (up to 64GB), allowing you to play your favorite music even without a Bluetooth connection. 5. Safe to Use The device includes built-in protection features such as over-current, over-voltage, and short-circuit protection. These safety features help protect your device and ensure that there will be no problems when charging or using the product. It also comes with a 12-month warranty, giving you peace of mind about the durability and quality of the product.