It doesn’t actually write but that’s alright. It does a lot more. The Zanco S Pen is a powerful combination of phone, Bluetooth headset, stylus pen, & voice recorder.It’s a pen-sized phone that also has functions like dual camera & mics, plays mp3 & mp4 files, records video, laser pointer, fm radio, laser pen, bluetooth 3.0 to link with your smartphone & a voice changer with 16 different voices. Kind of James Bond, don’t you think? A funded Kickstarter.