HD clear USB HUB with HDMI 4K@60Hz output (without HDCP) Highly supports 4K@60Hz resolution, Adapt to 4K monitor when connecting, providing dual play mirror mode & extend mode to display device 100W Input Fast PD Charging & Max 87W Output allows to charging your device while transferring & expander function, providing a USB-C pass through Female port by which you could securely charge connected MacBook