Rapoo V20S Ambidextrous USB A Optical 300 DPI Gaming Mouse 5 Buttons LED Multi Colour Light System Ergonomic Design Adjustable DPI Gaming Sensor Designed for ambidextrous use, this mouse prevents unnecessary strain on your hand to enable comfortable grip and pleasant use even during your longest games. Confidence is good, control is better. Your V20S offers you 5 individually customizable buttons to which you can assign a wide range of functions and macros.