Description The UGREEN Ergonomic Wireless Mouse (Without Battery) – MU101 is a versatile and ergonomic mouse designed for comfortable and efficient navigation. Please note that the “Without Battery” specification means that the mouse does not come with batteries included. Here is detailed information about the UGREEN Ergonomic Wireless Mouse: Design and Ergonomics: The mouse features an ergonomic design that fits comfortably in your hand, reducing strain and fatigue during extended use. Its contoured shape and textured grip provide a secure and comfortable hold. Connectivity Options: The mouse offers one connectivity options: wireless via USB receiver (2.4GHz). You can connect the mouse to your device using the included USB receiver providing flexibility and compatibility with various devices. Compatibility: The UGREEN Ergonomic Wireless Mouse is compatible with a wide range of devices, including laptops, desktop computers, tablets, and more. It works with multiple operating systems such as Windows, macOS, Android, and iOS. Button Configuration and Programmable Buttons: The mouse has standard left and right buttons, a clickable scroll wheel for easy navigation, and additional programmable buttons. The programmable buttons allow you to customize the mouse according to your preferences, assigning different functions or shortcuts for enhanced productivity. DPI Adjustment: The mouse offers adjustable DPI (dots per inch) sensitivity settings, allowing you to customize the cursor speed to your preference. You can switch between different DPI levels for precise cursor control, whether you need fast and responsive movement or precise accuracy. Plug-and-Play Setup: Setting up the UGREEN Ergonomic Wireless Mouse is straightforward. For wireless connectivity, simply plug in the USB receiver into an available USB port on your device, and the mouse will automatically connect. Show More Show Less