E-Blue Dynamic Color Pal Series Portable Compact USB Mouse, Green (EMS102GR) 5 appealing colors to match with your personal style Ergonomically designed for exceptional comfort grip Smooth tracking & precision control with 1480 DPI resolution Blue Wave sensor operates on most surfaces including glass Ultimate choice for work on laptop or desktop Universal fit for child's or adult's; right or left hand No drivers required, 'Plug and play'