Electric key interface Directly connects the hand key and the automatic key Connection : connect the hand key first, then connect to the mobile phone or computer The device intelligently identifies whether the connected key is a hand key or an automatic key Button and mode switching A single button switches between mode one and mode two Hold the button to connect to a computer or mobile phone and switch between the two modes In mode one, the button enables moving the mouse This function is especially useful on mobile phones How it works on mobile: pressing and holding moves the mouse downward; when the reaches the bottom of the screen, continue to hold to move the upward from the bottom Benefits and practical use Simplifies control by supporting both hand key and automatic key with intelligent recognition Enables seamless mode switching between computer and mobile devices Provides ondevice mouse navigation, improving usability on smartphones and tablets Compatibility and performance highlights Works with hand key and automatic key Compatible with mobile phones and computers Twomode operation enables flexible control in different scenarios Use scenarios Office on the go: connect to a laptop or desktop for quick keyboard and mouse control without separate peripherals Mobile navigation: use mode one on a smartphone to move the onscreen cursor for easier app navigation or scrolling Remote or presentation work: switch modes to control slides and apps from a mobile device or computer with a single button press and hold