NEW Fine Tip Touchpad Stylus Pen for iPad, iPad 2 and The new iPad (Red) The thick tip on the back of the stylus is for use with the ipad and other devices equipped with capacitative touchscreens, such as device made by APPLE, SAMSUNG,AMAZON, HTC, SONY,etc The Thin tip is for use on devices equipped with resistive touchscreens, which operate by sensing pressure on the screen, devices with resistive screens include some older Nokias (Nokia 5800) and HTC Windows Mobile Models Capacitative touchscreens operate by sensing the conductive properties of certain objects, like your finger, or the back of this stylus, many new touch screen equipped products use capacitative screen toay. Works in cold winter and humid conditions Accurate touch and control Made of quality plastic Protect your Apple iPad from finger prints