ENDGAME GEAR XM1 RGB Gaming Mouse Brand new, unopened. Quoted from the manufacturer's website below: XM1 Features ・Weight Ultra-lightweight 70g. Without mesh processing (weight reduction), it's only 70g. ・Sensor PixArt flagship optical sensor PMW3389 CPI (DPI): 50~16,000CPI (adjustable in increments of 50 via software + bottom button) Polling Rate: 250 / 500 / 1000Hz (switch by long-pressing the bottom button) Maximum Acceleration: 50G Lift-off Distance: 2mm (default) or 3mm (switchable in software) ・Switches Omron switches, pre-selected for ideal click feel, 50 million click durability. ・Grip Symmetrical, right-handed, easy to grip for palm, claw, and fingertip grip styles. ・Coating High-quality dry grip coating, provides a secure grip even when sweaty. *The tendency for marks to appear on the surface is a characteristic of this coating. Software Supports software for button settings, sensor settings, firmware updates, etc. You can download it from the following URL: https://www.endgamegear.com/en/downloads ・BUTTONS Enable/disable side buttons and wheel button. ・SENSOR SENSITIVITY: Set CPI (DPI) from 50-16,000 in increments of 50 for settings 1-4. Switching is done with the button on the bottom of the mouse. Ripple Control: Reduces pointer jitter when set to high CPI. Lift Cut-Off: Lift-off distance switching 2mm [default] or 3mm ・UPDATE Firmware and software updates