Description Four-in-one multi-functional design: The car charger integrates USB-A, USB-C, smoke lamp interface and voltage display functions into one, meeting the charging needs of various devices. Strong compatibility, suitable for mobile phones, tablets, vehicle-mounted devices, etc. Super Fast charging flash charging technology: Supports PD fast charging and QC3.0 flash charging protocols. The maximum output power of the USB-C interface can reach 30W, and the USB-A interface supports 18W fast charging, significantly reducing charging time and improving charging efficiency. Intelligent voltage display: Built-in LED display screen shows the voltage of the vehicle battery in real time, helping users monitor the battery status, prevent battery power loss or overvoltage, and ensure driving safety. Retractable charging cable design: Equipped with a retractable charging cable, the length can be freely adjusted to avoid wire entanglement, save space, be more convenient to use, and keep the interior of the vehicle clean at the same time. Safety protection materials: Made of high-quality flame-retardant materials, it is equipped with multiple safety protection mechanisms such as overcurrent, overvoltage, short circuit and overheat protection, ensuring a safe and stable charging process and extending the service life of the equipment. The packaging includes: 1*Vehicle-mounted charger