3 Displays in One, Multitasking:This hdmi splitter 1 in 3 out can extend a USB C source to three HDMI monitors respectively, reports, code, design scripts expand at the same time, no need to switch windows repeatedly, multitasking efficiency doubled. Note: Laptop must support Thunderbolt 3 or higher, do not support the use of conversion cable or docking station to connect the computer to the product's usb c input port 4K60Hz HD Experience: This thunderbolt splitter is equipped with 3 HDMI ports to support 4K60Hz resolution, delivering a clear and smooth picture, suitable for high-definition video viewing and fine design work, presenting a detailed visual effect. Note:1.Graphics card support is required.2.In MST mode, when the output is HDMI+HDMI+HDMI, the resolution is 4K60+4K60+(1080P60 or 4K30)