The 2 Pack PENGLIN 4K Standard HDMI Panel Mount Coupler is a set of two female to female couplers designed for connecting laptops, cell phones, and tablets. These couplers have a nominal power of 2.25 and a current rating of 1.5. The black couplers are made of zinc and iron, and have a metallic finish. They feature a panel mount design and are compatible with Penglin models. With a compact size and a weight of 0.13 pounds, these HDMI couplers are ideal for use in various devices and offer a reliable connection solution.

Note one of the pictures calls it standard hdmi but these are 4K