https://www.cnet.com/news/all-the-new-things-you-can-do-with-the-note-9s-s-pen-stylus-bluetooth/

With the launch of Samsung's latest top-tier Note 9 phone, the company introduced a handful of new features including an AI-powered camera, a larger 4,000mAh battery and tons of internal storage.

But the phone's signature S Pen stylus underwent a refresh of its own, too. Not only does it flaunt a snazzy vibrant yellow color, but it also has Bluetooth connectivity. This allows it to do several remote tricks, which change depending on which app you're interacting with.