4K 3D Resolution Supported: 4K 3D ultra HD HDMI splitter can output both 4K and 3D resolution videos. You can also enjoy brilliant 4K resolution, deep color, as well as 3D compatibility.Boost your HDMI capacity: 3 in 1 HDMI Splitter with High Speed ​​Pigtail Cable, 3 ports to expand your HDMI capacity, connect up to 3 HDMI enabled devices for smooth transitions with no external power needed.Wide Compatibility: The digital audio transmission signal can be turned on and off with three signals, and the operation is simple. Compatible with all types of HD video sources. It is also compatible with a variety of HD-DVD formats, set-top boxes, PS3 consoles, etc.Convenient to Use: No external power required, the HDMI switch is easy to install and use, it supports Plug and Play HDMI. With 3 LED indicators and 1 select button, the power is automatically transferred through the 5V signal in the HDMI cable, switching between three sources to one display.【Smart Function】: This is a kind of high-performance HD switch, it can easily switch three sources to one screen, it not only has the key switch function, but also has a smart function.