[Higher DPI & 4 Adjustable Levels] - DPI: 6400/3200/1600/1000. This ergonomic wired mouse features 4 adjustable DPI settings to meet your daily needs. The upgraded technology of this wired mouse ensures smooth and precise tracking on various surfaces. When changing the DPI, the LED light will flash, with the number of flashes corresponding to the DPI level. | [Silent Mouse] - The clicks of this vertical mouse are virtually silent, allowing it to be used even in quiet environments like libraries. Using this wired ergonomic mouse reduces disturbance to oneself and others, enabling better focus on the task at hand. | [Ergonomic Design] - The ergonomic mouse adopts an ergonomic design that brings your palm closer to a vertical angle with the desktop, allowing for smoother and more flexible movements. This helps reduce arm discomfort, effectively alleviating wrist pain. The vertical ergonomic mouse is an ideal choice for extended computer use. (PLEASE NOTE: The mouse is better suited for medium to large-sized hands.) | [Wide Compatibility & Low Power Warning] - The wired vertical mouse is compatible with various devices including Windows/Mac/Chrome/Linux/laptop/computer. (Side buttons are not compatible with macOS) | [Plug & Play] - This ergonomic computer mouse is extremely convenient to use. Simply plug in the included 1.5m/4.9ft USB cable and start using it without any driver installation required. The ergonomic vertical mouse is smooth and durable, providing you with a long-lasting user experience. | [36 MONTHS SUPPORT] - If you encounter any problems in using the product, please feel free to contact our professional customer service team, enjoying TECKNET 36 Months Warranty (Registered Only)