WIRELESS MOUSE - The reliable wireless 2.4 GHz connection with up to 33 feet operating range, this ergonomic mouse was designed especially for small hands and comfortability. LEFT-HANDED MOUSE - Designed to fulfil the ergonomic needs of all left-handed users. ERGONOMIC MOUSE - A right handed mouse designed with comfortability and our users long term health in mind by preventing or easing the pain of repetitive strain injuries (RSI) users to provide comfort during long typing hours. 6-button design allows for a convenient and smooth mouse experience. DPI SWITCH - Optical sensor and built-in DPI switch button so you can switch DPI between 800/1200/1600 allowing you to tailor your tracking experience to your personal needs. PLUG AND PLAY FEATURE - Plug and play mouse with Nano USB receiver means it is easy to start using immediately with no additional drivers or installations. Built-in power on/off switch button and power saving function.