It's a high tech pen. Scan the color you want to use then the pen will draw with that color! I could use for my anime drawings and have the right colors instantaneously. I really want this, drawing would be so much fun with this!
Port - Most input/output devices are outside the computer case. These devices communicate with components inside the computer case through a wireless connection or through pcables attatched to the case at a connection called a port. (Chad G.