【Fast Charging】The fast charging USB car charger is equipped with 3 ports: USB*2, PD*1, smart bypass. When you use car chargers with PD3.0 and QC3.0 ports, you can enjoy a charging speed 4 times faster than others, increasing the charging efficiency. 【Design Features】Intelligent digital display, real-time monitoring, digital voltage display, monitoring car battery voltage, use electricity safely and drive safely. Normal voltage after starting: 11.9V-12.8V 【7 Color LED Design】By connecting the car Bluetooth cigarette lighter to your cigarette lighter, the car Bluetooth FM is designed with 7 static modes and 1 dynamic RGB mode. If you don't want the light, it will turn off, making it easier to operate and safer driving when driving at night. 【Wide Compatibility】We are not picky about car models: cars and products are universal. This device is compatible with all types of vehicles, and DSP technology provides wide compatibility between mobile phones and cars, achieving more stable noise reduction, stereo sound and other functions, optimizing audio quality. 【Noise Cancellation & High-Performance Calls】The Bluetooth FM car adapter has a more powerful microphone with CVC noise cancellation technology, it can block out more road noise, wind noise and other distractions, and offers an excellent hands-free calling experience while driving. .