Tracking system: Optical. Adjustable DPI: Features 3-speed adjustable DPI settings, commonly 1200 / 1800 / 2400 DPI on some models. Other models may support different ranges. Connectivity: Wired, with a USB-A connection. Plug-and-Play: Requires no extra drivers or coding and works instantly when plugged into a USB port. Ergonomics: Designed to fit comfortably under your palm for long-term use without fatigue. Buttons: Typically includes an ultra-precise scroll wheel. Some variants may offer additional programmable buttons. Gaming-specific features: Intended for gaming, with features like precise positioning and adjustable sensitivity.