About this items: 【Ergonomic Wireless Mouse】Ergonomic wireless mouse is designed to fit the natural curve of the hand, vertical design makes the forearm and wrist posture more relaxed, effectively reducing wrist fatigue during prolonged use, ideal for long hours of work or gaming. 【Connect up to 3 Devices】Bluetooth mouse support 2.4GHz/BT5.0 and BT3.0 connectivity, allowing you to connect up to 3 devices at once. You can see the current connection mode through the screen display. Easily switch between PCs, laptops and other compatible devices to improve work efficiency. 【8 Function Buttons】The ergonomic vertical mouse have multi-function knob, DPI adjustment, mode switching and other auxiliary function buttons to make your office more efficient. The knob can be used for window switch, web page zoom and page scrolling. 【Adjustable DPI】Vertical ergonomic mouse feature 4 adjustable DPI settings-800/1200/1600/2400 for precise optical tracking. Adjust the DPI level to optimize performance across various tasks and work scenarios, ensuring you stay productive. 【Comfortable Hand Feeling】Frosted surface, skin-like feel, silky texture, effective anti-slip and anti-sweat. Ergonomic computer mouse provides the best grip, comfortable to use for long periods of time. 【Wide Compatibility】Rechargeable laptop mouse mouse has wide compatibility with Windows/Mac OS, suitable for desktops, laptops, PCs, MacBooks and other devices. Our vertical mouse is durable, perfect for office workers, gamers, people in graphic design, documentation, web surfers, students.