A70 optical gamer comes with ambient lighting unique 'breathing' led light provides a soothing and calming ambient light. Seven different colors provide a constantly changing and unique look. Gaming quality wired mouse with 4 dpi settings for your gaming needs. Choose between 800, 1200, 1600, and 2400 dpi. Ergonomic design fits naturally in your hand with no cramping after extended gaming or work sessions. Plug and play no additional software of firmware is required. Simply 'plug and play'