The UGREEN 1 in 4 out HDMI splitter is designed to duplicate one HDMI input signal to four different HDMI displays, transmitting audio and video simultaneously. This 4K HDMI splitter supports 4K 60Hz and is backward compatible with lower resolutions. With EDID control, you can choose the proper setting for your displays to avoid black screens and flickering pictures. The splitter offers high-bandwidth 18Gbps data transmission and is compatible with most HDMI source devices.