Ultrapro HDMI2.1 Active Optical Cable Supports up to 8K 60Hz & 4K 120Hz long distance A/V lossless transmission Features: HDMI2.1 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 a lower resolution. With Dynamic HDR, contrast, depth, brightness and wider colour 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. Thoughtful easy – grip design with strong zinc – alloy housing and corrosion – resistant gold – plated connector. High resistance against surrounding electromagnetic interference. Safe for everyone via the nil – radiation environment.