Electric key interface and mode control for versatile input Electric key interface You can directly connect a hand key and an automatic key. To connect the hand key, you first connect the hand key, then connect the mobile phone or computer. The device automatically identifies whether a hand key or an automatic key is connected, enabling seamless operation. Mode switch button A dedicated button switches between mode one and mode two. When connected to a computer or mobile phone, holding the button switches between the two modes. In mode one, the button can move the mouse cursor. This function is especially useful on mobile devices: pressing and holding the button moves the cursor downward; if you continue to hold after reaching the bottom of the mobile screen, the cursor moves upward from the bottom. Compatibility and use Supports direct connection of both hand key and automatic key. Compatible with computers and mobile phones. Practical use scenarios Desktop navigation: Connect a hand key or automatic key and use mode switching to control the cursor on a computer. Mobile navigation: Use mode one to move the cursor with the button, allowing navigation without touching the screen. Presentations or accessibility tasks: Quick cursor control and mode switching to interact with content. Setup and operation notes For results, connect the hand key first, then connect to the computer or mobile phone; the device will identify the connected key type automatically.