Ergonomic Design: UGREEN vertical mouse is designed with an ergonomic shape that contours the natural curvature of your hand, providing a comfortable and fatigue-free grip. 57° Vertical Angle: The mouse features a precisely angled 57° vertical design, optimized for natural and comfortable hand positioning. This angle not only reduces wrist strain but also aligns your hand and wrist in a more relaxed position. Dual Connectivity with Bluetooth and 2.4G: The mouse offers both Bluetooth and 2.4G wireless connections, giving you the flexibility to pair with multiple devices simultaneously. The Bluetooth connection ensures secure and stable connectivity within a range of up to 10 meters, providing seamless performance even in busy environments. High DPI and Adjustable Levels: Our mouse offers a high DPI range with four adjustable levels: 1000, 1600, 2000, and 4000. This provides exceptional precision and control for both desktop and gaming applications. Compatibility and Flexibility: UGREEN vertical mouse is designed with widespread compatibility in mind. It works seamlessly with both Mac and Windows systems, as well as various operating systems and devices. This flexibility ensures that our mouse can fit into any user's workflow and personal preferences.