Square Design: Unlike traditional elliptical or streamlined designs, the square mouse adopts a square design. This design provides better palm support, reducing fatigue during prolonged use, and is especially suitable for users who need to use the mouse for extended periods. 3 in 1 Connectivity: The square mouse supports 2.4GHz wireless, and two Bluetooth modes, offering more connection options. Ordinary mice typically only support wired or single wireless connection methods. Dual Bluetooth Device Mode: Allows simultaneous connection with two devices. One device connects to a laptop (BT1 mode), and the other connects to a phone (BT2 mode). Supports quick manual switching between devices for seamless operation without the need for repeated pairing. Pressure-Sensitive Scroll Wheel: The square mouse features a pressure-sensitive scroll wheel that can achieve different scrolling speeds based on the applied pressure. This design provides more precise scrolling control, whereas ordinary mice usually only support simple scrolling functions. Customizable Buttons: The square mouse has customizable multi-function buttons that users can set according to their needs to improve operational efficiency. Ordinary mice typically only have basic left and right buttons and a scroll wheel, offering lower customization. Wide System Compatibility: The square mouse fully supports , Android, for iOS, for MacOS, and Linux operating systems, making it suitable for a range of operating environments. Ordinary mice may have limitations in system compatibility, especially with certain operating systems. The printing/appearance from batch to batch, but it not affect the use; the actual product may have color difference due to different light or display. Colour:Black Material:Aluminum Alloy Package Contents: 1 x Mouse with rubber cover 1 x USB cable 1 x Storage bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.