Cavo HDMI Fibra Ottica Lungo 8K 2.1 50 FT, Unidirezionale 48Gbps Alta Velocità HD...
The cable is unidirectional as it’s optical HDMI cable. The SOURCE end is for the signal devices (laptop, PC, Blu-ray player etc) and the DISPLAY end is for the display devices (monitor, TV, projector etc).