➤ WHAT DOES THE ADAPTER DO? It deliberately disables (Pin 13) the CEC function of a device connected to a HDMI cable via the CEC adapter. This includes functions such as automatically turning your TV on and off and automatically changing device inputs. The adapter prevents devices that have buggy or incompatible CEC software from malfunctioning when used together or to prevent automatic commands from interfering with universal remote control systems | ➤ SUPPORTS LATEST HDMI STANDARD: BlueRigger 4K HDMI CEC Less Adapter supports 4K, UHD, 3D, Audio Return Channel (ARC), Category 2 Certified, HDCP Compliant, 18 Gbps / 340 MHz Refresh Rate, 1080p, 48 Bit Deep Color, TrueHD 7.1, Audio Return Channel (ARC) & Ethernet. Backwards compatible with earlier versions | ➤ PREMIUM CONTRUCTION: Durable, high-quality build with 100% pure copper core, 24K gold-plated connectors, full metal jacket housing protects against corrosion while maximizing signal strength. Can be easily used in any tight spaces between HDMI device and wall | ➤ UNIVERSAL COMPATIBILITY: Connect source devices such as Blu-ray player, Apple TV, Xbox, PS4, laptops with HDMI output to display devices such as HDTV, projector, A/V Receiver etc | ➤ WARRANTY: BlueRigger cables and adapters are backed by a Lifetime Warranty and US-based customer support