Old styluses won't do the trick; the electronic coding at the other end of the stylus is specifically designed to respond to Apple products. Two-end stylus. One end is classic stylus, the other end responds to Apple products' iPad.
Dimensions : 4 5/16" L
Imprint Size : Laser 2 1/2" W x 1/4" H, Screen 2 1/2" W x 3/16" H