Amazon.com: Dell Active Stylus Pen compatible with New Dell XPS 15 9570 touch XPS 9575 2-in-1 XPS 13 9365 2-in-1, Latitude 511 (5175), 11 (179), 7275, 10 Pro (5056),Venue 8 Pro Plus Best Notebook Stylus Pen Light : Cell Phones & Accessories
Bought this XPS 13 9310 touch version 2 weeks ago and has these two pen model PN579x for the laptop. Found out the pen buttons are working fine but not the touch.
Dell XPS 13 (9365) Original Active Pen - ipc-computer.de
Dell Premium Active Pen (PN579X) | Dell USA
Dell Premium Active Pen (PN579X) | Dell USA
Dell Inspiron 13 7390 and 7590 2-in-1 have magnetic "pen garages" for housing the stylus - NotebookCheck.net News
Touchscreen Stifte und Stylus Pen | Dell Deutschland