HDMI Coupler 2 Pack 8K@60Hz HDMI 2.1 Female to Female Connector HDMI Extension Adapter 3D 4K@240Hz Extender Compatible with Stick HDTV Chromecast HDMI Cable Laptop PC - Black

HDMI Extender: Connect two HDMI cables for long-distance expansion solving the problem of insufficient distance for short cables.
HDMI Coupler 8K: Comply with HDMI 2.1 standard and provide 48Gbps transmission speed say goodbye to jam or frame drop problem. Supports resolutions up to 8K@ 60Hz and 4K@120Hz backward compatible with 2K and 1080P resolution devices. Supports ALLM (Automatic Low Latency Mode) VRR (Variable Refresh Rate) QMS (Quick Media Switching) HDR Dynamic HDR eARC HDCP 2.3 Dolby Vision HD Dolby 7.1 Dolby Atmos and 3D video.
Compatibility: Standard HDMI interface for all devices with HDMI male connectors such as TV Stick Nintendo Switch TV Box Xbox 360 Xbox One PS5 PS4 PS3 PC HDTV Monitor Projector Google Chromecast Blu-Ray/DVD player A/V receiver and more. And backward compatible with HDMI version 2.0 / 1.4 / 1.3 / 1.2 / 1.1.