HDMI 2.1 8K Performance: This HDMI 2.1 coupler supports resolutions up to 8K@60HZ, backward compatible with 7680 * 4320 60Hz, 3840 * 2160 120Hz, 2560 * 1440 144Hz, 1920 * 1080 240Hz. Supports DT, HDR, eARC, ALLM, VRR, QMS, QFT, Dolby Vision & Dolby True HD & Dolby Atmos. Supports 48Gbps. Economical and cost-effective, very good value for money: This HDMI female to female adapter connects two HDMI cables to achieve long-distance transmission. For a very low price it avoids the acquisition of a longer HDMI cable and the scrapping of many stock connections. If you are using a wall-mounted TV and the connector is difficult to reach, this coupler can also be an indispensable help. The undetectable presence of HDMI female to female coupler: Fully shielded aluminum shell, which can effectively avoid signal interference and wear resistance; Gold-plated contacts ensure the stability of signal transmission. The cords fit perfectly and hold well on the connection. Except that your devices will probably never realize that you have used this adapter. Mini HDMI female connector Plug and Play: No handling on your devices, allows you to extend the cable or connect your devices. This 8K HDMI extension adapter is small and easy to carry, which is convenient for daily life and travel, you can plug and play anytime, anywhere. Wide Compatibility: HDMI Interface standard, works with all devices with standard HDMI male connectors. For example TV Stick, HDMI Cable, TV Box, small video streaming box, PC, Projector, PS5/ PS4 Pro/ PS4/ PS3/ HDTV/Xbox.