PointDraw Pen 2.0The 2nd generation PointDraw pen is built with a much faster response time, supporting classroom interaction from up to 30 feet. Who said you have to wait around for magic to happen?Quick Color ChangeUse this button to quickly change the color between blue, black and red.Pen TipThe pen tip is BenQ-patented with an exclusive coaxial design to give you the most intuitive writing experience.Power KeyTurn the projector on or off at an instant using this power switch.L Mouse ButtonPress this to access the Q Draw 2.0 Interactive Software remotily, like you wou use a computer mouse.USB ChargerRechargeable via a standard USB cable, the PointDraw pen gives you one hour of use with a 5-minute quick charge during recess.