The device provides two modes controlled by a single button. Press to switch between mode one and mode two, and hold the button to connect a computer or mobile phone to enable the mode switch. In mode one, pressing the button can move the mouse , a function that is especially important on mobile phones. Pressing and holding moves the mouse downward; when the reaches the bottom of the mobile phone screen, continue to hold to move the mouse upward from the bottom. Electric key interface enables direct connection of the hand key and the automatic key. To connect the hand key, first connect the hand key, then connect the mobile phone or computer. This device intelligently identifies whether a hand key or an automatic key is connected. Key benefits Enables seamless mode switching between two operation modes with a single, easytouse button. Provides practical mouse control on mobile devices, improving navigation without complicated gestures. Supports direct connection to computer or mobile phone, simplifying setup and use. Automatically identifies the connected key type (hand key or automatic key) for smooth operation. Key features Mode switching button for quick access to mode one and mode two. Hold to connect a computer or mobile phone to enable mode switching. In mode one, the button controls the mouse for onscreen navigation. Mouse can be moved downward by a hold; when at the bottom of the screen, continuing to hold moves it upward from the bottom. Compatibility and interface Compatible with computer and mobile phone. Electric key interface supports direct connection of hand key and automatic key. Hand key connection sequence: connect the hand key first, then connect the mobile phone or computer. Device automatically identifies whether the connected key is a hand key or an automatic key. Usage scenarios Mobile navigation: use the mouse control to move and place the cursor on mobile screens, facilitating UI interaction without heavy touch gestures. Desktop or laptop setup: switch between modes with the button to adapt to different workflows, using the mouse control as needed. Accessibility or assistive input: connect a hand key or automatic key through the electric key interface for customized input workflows and easier device control.