The manufacturer of this item is Hewlett-Packard. The use of this product is safe, and it supports Ethernet, 3D, and 4K video… enabling the audio return channel (ARC). Blu-ray players, Fire TV, Apple TV, PS4, PS3, Xbox One, Xbox 360, PC, and other devices that can be linked to TVs, displays, AV receivers, etc. can all be connected using this device. With a PVC jacket and gold-plated connections, version 1.4b is quick. HDMI Accredited: Ultra High Definition (UHD) 4Kx2K with High-Speed HDMI with Ethernet (2160P).