HDMI 2.1 specification with 48Gbps mass-capacity bandwidth. Backward compatible. Designed for transmitting up to 8K@60Hz unparalleled visual, as well as VR and 3D display signal in a lossless way even a long distance. Refresh rate at 120Hz while under 4K, ultra-fast motion UHD images to be crisp and razor-sharp, and higher refresh rate when using lower resolution. With Dynamic HDR, contrast, depth, brightness and wider color gamut are shown at ideal values on a frame-by-frame basis. With eARC, connectivity is enhanced and simplified for greater ease of use of multiple components discovery and audio optimization. Support the high-bitrate audio formats up to192kHz, 24-bit, and uncompressed 5.1 and 7.1, Dolby specific lossless audio formats, and 32-channel uncompressed audio. With VRR, gameplay will be more fluid and better detailed with nearly zero lag, judder and frame tearing. Support EDID incl. self-detecting function, ALLM, QMS and QFT. Made with strong zinc-alloy housing and corrosion-resistant gold-plated connector. Thoughtful easy-grip design. High resistance against surrounding electromagnetic interference. Safe for everyone via the nil-radiation environment. Type: HDMILength: 20.0mVersion: 2.1