English Specifications • • • • • • No driver needed. DPI (Dots per inch) settings: 400 / 800 / 1600 / 3200 dpi Adjustable USB report rate: 125 / 500 / 1000 Hz Connector: USB Buttons: 7 buttons Cable length: 2 meters (6.6 feet) Changing DPI setting Press the DPI switch button (labeled ) to switch to a desired DPI setting. Adjusting USB report rate Press the Report rate switch button (labeled setting.