6-BUTTON FUNCTIONAL DESIGN This wired trackball mouse features left, right, and middle buttons, plus CPI switch, forward, and back buttons for enhanced navigation and productivity.. ADJUSTABLE CPI SETTINGS Easily cycle through 4 CPI levels (400/800/1200/1600) using the dedicated CPI button. The red LED indicator flashes to show the current CPI setting (1 to 4 flashes).. REAL-TIME CPI DISPLAY When switching CPI, the current value is shown on the screen for your convenience.
Note: The mouse does not store CPI settings after unplugging.. RELIABLE WIRED CONNECTION Enjoy stable and responsive performance with a 250Hz polling rate, ideal for office work, browsing, and everyday computing tasks.. PLUG-AND-PLAY COMPATIBILITY No driver installation required. Simply connect via USB and start using. Compatible with most operating systems and devices.