The intelligent microcircuit detects the type of connected device, regulates the voltage and current up to 3A, and outputs 20W, ensuring fast charging and high compatibility with most brands of devices. The charger is equipped with a smart chip that protects your devices from short circuit, over voltage, overheating and over current. The fire-resistant PC case does not overheat during charging, ensuring excellent performance against scratches, bumps or drops. Protect yourself and your equipment from the inside.