Finaly I found the perfect monitor for me. the Lenovo Yoga Tab 13. Dex can be perfectly used via HDMI. Battery 10h working time. great display. : r/SamsungDex
Lenovo Yoga Tab 13 canada – TheCanadianTechie
Global ROM Lenovo YOGA Tab 13 or YOGA Pad Pro 13 Inch 2K Screen Snapdragon 870 JBL Speakers 10200mAh Battery Tablet Android 11 - AliExpress