Can it be used with a touch pen?

Yes, the laptop can be used with a touch pen as it has a 15.6" FHD IPS touchscreen with 10-finger multi-touch support.

Questions & Answers: HP 15.6" Full HD IPS Touchscreen Premium Laptop | Intel Core i5-1135G7 Processor | Intel Iris Xe Graphics | 16GB RAM | 512GB SSD | Windows 11 Home S Mode | Silver

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Upgraded Configuration: Its seal box is opened during the upgrade for better performance. This computer comes with 16GB RAM and 512GB SSD.
11th Gen Intel® Core i5-1135G7 Processor:11th Gen Intel Core processor-powered systems take a huge leap forward in gaming, streaming and creativity, pushing a smooth, detailed, and vivid experience on highly portable devices. Smart 4-core, 8-thread processing performance.
Intel® Iris Xe Graphics:On-processor graphics with shared video memory provide everyday image quality for Internet use, basic photo editing and casual gaming.
15.6" FHD IPS touchscreen (1920 x 1080):15.6" FHD IPS Touchscreen Display, 10-finger multi-touch support, 1920 x 1080 resolution boasts impressive color and clarity, Anti-Glare Energy-efficient LED screen.
Operating System: Windows 11 Home in S mode
Woov Accessory Bundle:Bundled with Mouse Pad featuring high-quality cloth surface promotes smooth mouse gliding and enhanced precision.