YOEMELY HDMI Keystone Jack, Female to Female connector, apply to Latest HDMI 2.1a 8K features, excellent connection between 8K HDMI cables. [Features:] <1>Female to female inline passthrough connection The HDMI keystone coupler is female type on both ends. You can use it to connect the HDMI 8K cables from the wall to the HDMI 2.1a devices. The HDMI 2.1a features including: ? 8K@60Hz and 4K@120Hz, up to 7680 x 4320 pixels ? Dynamic HDR ? Source-Based Tone Mapping ? 48G bandwidth ? eARC simplifies connectivity ? Variable Refresh Rate ? Quick Medial Switching <2>Compact and sturdy constructure The white HDMI keystone insert is almost the compact design to meet the latest HDMI 8K features. The plastic housing is made of ABS material, sturdy to hold the cables. The snap cap is perfect for standard keystone port installation, including keystone wall plates, patch panels. It is , easy to load to disconnect the HDMI cables between devices. The inner metal shielding housing is perfect to enhance the video/audio load faster, smoother and seamless performance. What You Will Get? ? 6-pcs 8K HDMI keystone jack, female to female, black Our customer service team is available 7 days a week in case any urgent request or assistance needed. Just please contact us freely.