Finally paid Apple taxes and got a new 2017 27-inch iMac, but it doesn't require a port for an HDMI connection. You have to specify what iMac it's running on. Take part of the hit for not knowing the mac, assume the iMac isn't an iMac so beware. Need for another adapter go back
Cable Baseus Cafule USB - Lightning, 1 m, black/red
26 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
Portable battery with wireless charging support COMMO Magnetic Power Bank, 4 600 mAh, graphite
23 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