Amazon.com: Liberty Patented HDMI Adapter Ring with 5” DisplayPort, 5” Mini DP, Lightning & 5” USB-C Pigtail adapters Provide connectivity for Conference Rooms. Laptop, iPad, MacBook Pro, Galaxy, Chromebook. : Electronics
HDMI 4K Adapter Ring, USB-C and Mini DisplayPort – Conference Table Boxes
Amazon.com: Universal HDMI Adapter Ring Kit with Security Loop - USB C, Displayport, Mini DP, Mini HDMI to HDMI Office Video Converter. Four Adapters with Security Loop . Universal HDMI Adapter Kit,
Liberty DL-AR2 Adapter Ring, Convert Micro & Mini HDMI, DP, Mini DP – Conference Table Boxes
Amazon.com: Kramer AD-Ring-2 HDMI Adapter Ring - 2 : Electronics
Amazon.com: Universal HDMI Adapter Ring Kit with Security Loop-4K USB C, Displayport,Mini DP, Mini HDMI to HDMI Office Video Converter. Four Adapters with Key Security loop.Universal HDMI Adapter Kit, HDMI Ring :
Adapter Ring with USB-C, DisplayPort & Mini DisplayPort to HDMI with Cable Lock - WyreStorm
DO-L001 - The Dongler® Loaded – ProAV 4K HDMI Dongle Adapter Ring - Supports up to 32Gbps input - Simply45 LLC - GoSimplyConnect