One Direction Transmission: The source plug connects to video devices such as Blu-ray players, Apple TV, etc., while the display plug connects to display devices like TVs, projectors, monitors, etc. High Bandwidth: Copper HDMI cables can't achieve 18Gbps of bandwidth beyond 50 feet. In contrast Fiber Optic HDMI cables can maintain 18Gbps of bandwidth from 1 foot to 300 feet. Supports All 4K 60Hz Formats: This includes 4K 60Hz 4:4:4, 4K 60Hz HDR10, 4K 60Hz 4:2:2, and it's compatible with 4K 60Hz Dobly Vision, etc. Thin and Flexible: The Fiber Optic HDMI Cable is very thin, with a thickness of only 0.2 inches. Please handle the Fiber HDMI Cable gently when it passes through the trunking.