ACTIVE OTICAL HDMI 2.1 CABLEOptical HDMI cables allow for lossless transmission of audio-video signals over huge distances. Due to the use of optical fibres as a conductor. they are extremely thin. which makes cable routing easier than ever before. Additionally. it provides 100% resistance to electromagnetic interference.The latest HDMI 2.1 (Ultra High Speed) standard allows you to transfer video in 8K resolution with a refresh rate of up to 60 Hz. Using DSC (Display Stream Compression) technology. you can increase the maximum resolution up to 10K!NOTEDue to its structure. the optical HDMI cable transmits video signals only in one direction. Be sure to check the markings on the plugs to correctly connect the product.