Charging Only: The switch cable is designed for DC5V power charging, with a maximum of 5V 3A, and does not support USB data transfer Wide Compatibility: Suitable for charging digital devices and electronic products with a USB-A interface, such as mobile phones, dash cams, LED light bars, small LED table lamps, USB fans, and other low-power electrical appliances Convenient Power Switching: Features a button for easy power control, allowing you to turn the power supply on and off without repeated plugging, reducing wear on the Type-A interface and extending the cable's service life Cable Design: The USB Type-A male to female power cable is a two-core cable designed exclusively for charging low-power devices with a current of over 3A Limitations: Does not support the fast charging protocol and is intended only for devices that require standard charging 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.