US3750C Great Wall H6 Volkswagen Instrument Speaker Buzzer

US3750C Great Wall H6 Volkswagen Sagitar Lavida Lingdu Instrument Speaker Buzzer IC is used for car infotainment/central control/navigation USB ports, fast phone charging, and in-car multimedia. Feature: ✅ Slow/no USB charging, intermittent charging, device not recognized. ✅ USB plugging and unplugging burns out the interface, blue screen crash, EMI interference. ✅ Voltage fluctuations damage phones/car infotainment systems, port burnout. ✅ Black screen when switching between multiple devices, recognition error, abnormal charging.