Wired Trackball Mouse 6-Button Ergonomic Design with CPI Switch (400/800/1200/1600), Red LED Indicator, 250Hz Polling Rate, Plug & Play, for PC, Laptop, Desktop (Black)

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.