hero gaming sensor : next generation hero mouse sensor delivers precision tracking up to 16000 dpi with zero smoothing, filtering or acceleration11 programmable buttons and dual mode hyper-fast scroll wheel : the logitech wired gaming mouse gives you fully customisable control over your gameplay.adjustable weights : match your playing style. arrange up to five 3.6 g weights for a personalised weight and balance configuration.lightsync technology : logitech g lightsync technology provides fully customisable rgb lighting that can also synchronise with your gaming (requires logitech gaming software).mechanical switch button tensioning : a metal spring tensioning system and metal pivot hinges are built into left and right computer gaming mouse buttons for a crisp, clean click feel with rapid click feedback.