GMK KD1 14-inch 4K portable monitor is pricey, but it gets a lot of things right - NotebookCheck.net News
Corprit D159 15.6'' 4K UHD 100% RGB Color IPS Portable Monitor – Toguard camera
LC-M16-4K-UHD-P-OLED: LC Power
UPERFECT Portable Monitor 4K 17 Zoll, Tragbarer Mobile Display mit 3840 * 2160 1500:1 Kontrastverhältnis 500 Nits Helligkeit IPS Bildschirm HDMI 2 Typ-C für Laptop PC Handy Mac Xbox PS5 Switch: Amazon.de: Computer & Zubehör
Amazon.com: Portable Monitor 4K - 17.3 Inch UHD FreeSync HDR IPS 100% Adobe RGB 3840x2160 Lightweight Eye Care Computer Display with Type-C mini DP HDMI for Xbox PS4/5 Switch Laptop PC Mac,
4K Touchscreen Portable Monitor, UPERFECT 14 Zoll Tragbarer USB C Gaming Monitor | eBay
4K Touchscreen Monitor 17 inch Portable Drawing Screen DP and HDMI – Intehill