SILENT: The soft click of the mouse buttons reduces sound and eliminates noise and distractions for you and those around you. INTELLIGENT DESIGN: The comfortable shape of the mouse fits firmly to the shape of the hand and feels natural to use. 1000DPI OPTICAL SENSOR: Get better cursor control for precise tracking and text selection with the 1000DPI Optical Sensor PLUG-AND-FORGET: The plug-and-forget 2.4Ghz USB nano receiver stored inside the battery slot of the mouse gives smooth connectivity for up to a 10m distance. WIDE COMPATIBILITY: WinXP/Win2003/Win2008/Vista/Win7/Win8/Win10/Linux OS/MAC OS & Android OS ENERGY EFFICIENT: With 2 AAA batteries, this mouse is designed to operate in the energy-saving mode for energy efficient performance and enhanced battery life.