What if you took the mouse and made it more ergonomic and easier to hold, much like a pen? You’d have the WOW-PEN ECO 100. The design of the Eco 100 will help to eliminate carpal tunnel strain and user fatigue. It connects via USB and has a futuristic shape that both looks great and functions in a helpful manner. Great for gamers or anyone who spends long hours on their comptuer and has experienced wrist pains.