2.4GHz technology up to 8m range.Compact size with metallic material.Scissor type keycap,the best comfortable handle.Height adjustable for perfect ergonomics.10 multimedia Fn hot key.Driverless plug-and-play installation.Ergonomic design-Comfort and style in the palm of your hand.Blue LED technology can work almost any surface.Adjustable 800/1200/1600dpi.