Tried both adapters on a Windows 10 computer and a Mac with several different USB cables and external devices. Not only were the connections broken, they weren't transmitting anything yet, no power, no data. Will be returning these items.
Cable Matters USB C to HDMI Adapter - 4K 60Hz, 60W Charging, Thunderbolt 4 Compatible for MacBook Pro, iPad Pro
12 Review
4K / 30Hz USB-C to HDMI Adapter - 3-in-1 Type-C Converter Cable for MacBook Pro, MacBook, Mac Pro, iMac, Chromebook, and USB 3.0 Type-C Devices (2017/2018)
13 Review
π΄ 2 Pack JSAUX HDMI Coupler Female to Female for 4K HDR Extension - Aluminum Alloy Adapter for HDTV, Roku Stick, Computer, Monitor, Laptop, Projector, DVD Player, PS 4/3 (Red)
12 Review
Ultimate Compatibility: USB C to HDMI Adapter for MacBook, iPad, Dell, Surface & More
12 Review
Smartphone Samsung Galaxy A50 4/64 GB, 2 SIM, black
82 Review
Renewed Logitech G PRO X Wireless Lightspeed Gaming Headset with Blue VO!CE Mic Filter for Immersive Gaming Experience
122 Review
π» Get Amazing Video Quality with Logitech HD Pro Webcam C920 (Discontinued Edition)
83 Review
Apple AirPods Pro MagSafe RU Wireless Headphones, White
159 Review