Charging Only: The switch cable doesn't transfer data, it only supports DC5V power charging(5V 3A max) Wide Compatibility: USB switch cable is suitable for charging digital devices and electronic products with USB-C interface, such as mobile phones, tachographs, LED light bars, LED small table lamps, USB small table lamps, USB fans and other small power electrical appliances power supply and charging extension Convenient Power Switching: The power supply can be switched at any time by pressing the button to open and close, avoiding repeated insertion and removal, reducing wear on the interface and increasing the service life of the cable Cable Design: USB-C power cable is a two-core cable that can only be used for charging, and supports low-power devices. It does not support the fast-charging protocol Note: Data transmission is not supported, and the cable cannot be used for high-power devices such as computers, and cannot be directly plugged into the PD charger.