Query: Portable, touch-screen, with a pen, high resolution display, good speakers. 
Portable Monitor - 15.8'' USB C HDMI Display, 1080P FHD IPS Second Screen for Laptop Desktop, 100% sRGB Gaming Monitor with Speakers for PC MAC PS4 PS5 Xbox Smartphone, Leather Cover Included
NEW Microsoft Surface Duo 256GB (Unlocked) - Glacier
Portable Monitor, Upgraded 15.6" IPS HDR 1920X1080 FHD Eye Care Screen USB C Gaming Monitor, Dual Speaker Computer Display HDMI Type-C OTG VESA for Laptop PC MAC Phone w/Smart Case
Wacom DTK1660K0A Cintiq 16 Drawing Tablet with Screen
XP-PEN Artist12 11.6 Inch FHD Drawing Monitor Pen Display Graphic Monitor with PN06 Battery-Free Pen Multi-Function Pen Holder and Glove 8192 Pressure Sensitivity
Fire 7 tablet, 7" display, 16 GB, latest model (2019 release), Black
Portable Monitor - Lepow 15.6 Inch Full HD 1080P USB Type-C Computer Display IPS Eye Care Screen with HDMI Type C Speakers for Laptop PC PS4 Xbox Phone Included Smart Cover & Screen Protector Black