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 - 9370 Windows 10 Home 64bit English | eBay
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Amazon.com: Stylus for Dell XPS 15" 2-in-1 9575 9570 Pen, EDIVIA Digital Pencil with 1.5mm Ultra Fine Metal Tip Pencil for Dell XPS 15" 2-in-1 9575 9570 Stylus, White : Cell Phones & Accessories
Dell XPS 13 9380 - reviews, what's changed from the XPS 13 9370
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
New Original Premium Stylus Active Pen (pn579x) For Dell 2-in-1 Laptop Xps 13 9365 Xps 15 9575 Windows Ink Compatible Display - Tablet Pen - AliExpress
Amazon.com: Works PRO Stylus for Dell XPS 13-9370-D1705G High Accuracy Sensitive in Compact Form for Touch Screens [3 Pack-Silver] : Cell Phones & Accessories
Works Premium Stylus for Dell XPS 13-9370-D1705G with Custom Capacitive Touch 3 Pack! (Silver)
Amazon.com: Works PRO Stylus for Dell XPS 13-9370-D1705G High Accuracy Sensitive in Compact Form for Touch Screens [3 Pack-Silver] : Cell Phones & Accessories
Amazon.com: Dell XPS 13 9370 Laptop: Core i7-8550U, 8GB RAM, 256GB SSD, 13.3" Full HD IPS Display, Backlit Keyboard, Windows 10 : Electronics
Dell XPS 13 9370 (Non-Touch) Screen Protector - Privacy Lite