Official Raspberry Pi 4 micro-HDMI Cable 2.0m Black, 7.50 €
Add Full size HDMI to Raspberry Pi 4 - YouTube
Amazon.com: Miuzei Case for Raspberry Pi 4 with Fan, 3A USB-C Power Supply, 1.5M Micro HDMI Cable, HDMI-Micro HDMI Adapter, 4 Aluminum Heat Sinks, USB Card Reader (Raspberry Pi 4 Not Included :
Amazon.com: CanaKit Raspberry Pi 4 Micro HDMI Cable - 6 Feet (Pack of 2) : Electronics