Replacement Retractable Universal PDA and Cellphone Stylus Touch Pen with Phone String. The universal PDA and Cellphone stylus sensitive stylus tip gives you the smoothest navigation. Perfect replacement of the original stylus. This "universal stylus" is the perfect solution for replacing a misplaced stylus for that "hard-to-find" or older PDA. Universal PDA Stylus compatible for PDA, cell phone and all touch screen devices.