8K UHD & HDMI 2.1 PERFORMANCE: The aluminum hdmi female to female adapter fully supports 8K@60Hz, 4K@120Hz, Dolby Atmos, Dolby Vision, HDR, eARC, HDCP 2.3, VRR, QFT, QMS, and 3D. Enjoy stunning, smooth, and ultra-HD visuals and immersive audio/video feast sync SEAMLESSLY EXTEND HDMI CABLES: Connect two HDMI cables for long-distance 8K expansion with the hdmi to hdmi adapter. Perfect for home theater, gaming, and office presentations. Recommended total length: ≤10ft for stable 8K@60Hz. No drivers needed—plug and go COMPACT, DURABLE & PORTABLE: Aluminum shell ensures heat dissipation and durability. Plug and play with a compact design for easy carry. 24K gold-plated hdmi to hdmi connector resist corrosion and wear from frequent plugging/unplugging SMOOTH BIG-SCREEN CASTING: Perfect for casting from laptops or consoles to big screens. 24K gold-plated pins and high-density PCB ensure stable, lag-free audio/video—even during high-speed gaming or 4K/8K streaming WIDE COMPATIBILITY: The HDMI 2.1 adapter works with any HDMI-equipped devices, including TVs, monitors, projectors, PS5, Xbox, laptops, and streaming sticks. Backward compatible with HDMI 2.0/1.4 standards, meeting your various visual needs Upgrade your home entertainment and gaming setup with the LEENUE HDMI 2.1 Female to Female Coupler—engineered for high-performance signal extension and future-proof compatibility. This premium HDMI adapter supports the latest HDMI 2.1 standard with resolutions up to 8K@60Hz and 4K@120Hz, delivering ultra-high-definition visuals and fluid motion for movies, games, and professional presentations. Built with solid aluminum housing and 24K gold-plated connectors, this coupler ensures strong durability and optimal signal integrity. Inside, a high-density PCB handles up to 48Gbps bandwidth, supporting cutting-edge features like HDR10+, Dolby Vision, eARC, VRR, QFT, and QMS—ideal for both everyday users and tech enthusiasts. The HDMI 2.1 Aluminum Adapter makes it easy to connect two HDMI male cables, solving cable length limitations without needing expensive replacements. It's compatible with virtually any device with an HDMI port, including TVs, monitors, projectors, game consoles (PS5/Xbox), laptops, and streaming devices.