This is a “switch”, not a “splitter”. This adapter only allows for displaying on one screen at a time. This is for plugging in two devices and switching back and forth between the single display you want to use.
Do more with less
Have only one open HDMI port but more than one device to connect? Simply plug two devices in and have the ability to switch between them whenever you want
Only one screen needed
No need to get an extra TV or monitor for multiple devices
Just plug in your devices, switch, and play with this HDMI Switch
Small form factor
Fits underneath your TV stand or devices to work while out of sight