Compatibility: Works on all capacitive touch surfaces; use with iPad, iPod Touch, iPhone and other touch surfaces;Convenience: Soft, durable rubber tip allows you to easily control and navigate your smartphone without scratching the surface;Ease of Use: The stylus engages directly with your smartphone, requires no power or software to operate and instantly works out of the box;Functionality and Design: Smaller form factor (6mm tip) allows users to type/text accurately and comfortably;Smudge free: Using the stylus keeps the screen clean of smudges and fingerprints.