COMPATIBLE and UPGRADE: Highwings 8k HDMI extender 2.1 can achieve all the functions of a 4k HDMI extension 2.0 (4k@60hz, 4k@30hz, etc.) and enhance the features based on HDMI 2.0; It addresses issues like flickering screens and insufficient bandwidth SUPPORTS 8K VIDEO and MORE: This HDMI extender cable supports HDMI Ethernet Channel, 8K@60Hz, 4K@120Hz, 2K, 1080P, 48Gbps bandwidth, 48-bit HDR color depth, and Audio Return Channel (ARC); Full 3D Support without any lag, providing clear and smooth video DURABLE DESIGN: The SR Flexible Strength Design, 24K gold-plated ports, latch-free and military-grade tensile nylon can ensure that this 8k HDMI extension cable withstand up to 25,000 flex times and accurately transmits signals, greatly extending use life DESIGN YOUR HOME THEATER/GAME ROOM: HDMI male to female extends the reach of your existing HDMI cable, making it easier to connect HDMI devices with a simple plug-and-play setup; Convenient and flexible connection at any angle - port saver/space saver STRICT QUALITY CONTROL and AFTER-SALES SERVICE: Our HDMI adapter has undergone rigorous performance tests in the laboratory before delivery; Each box contains one HDMI male to female adapter The HDMI extender works perfect for connecting a Roku, ChromeCast, and other TV Sticks that couldn’t fit in your tv slot space.