Quick User Guide: 1)The hub supports DP Alt Mode video output, date transfer and Power Delivery base on the new USB-C 3.1 Gen 2 standard, thus it’s NOT COMPATIBLE with the older USB-A USB 3.0/2.0 interface. Please confirm that USB-C interface of your device support DP Alt Mode video output, date transfer and Power Delivery before buying this product. 2)The Max resolutions and refresh rates output of the adapter are entirely dependent on the USB-C host devices, connected cable and the display specifications. 3)It's normal for the shell to get hot when using HDMI port or full ports. The temperature is between 86-122℉. 4)Can I charge my smartphone through the USB 3.0 port ? USB port provides a minimal output, we don't recommend for charging iPads, tablets or smart phones via USB Slots. 5) Package List: 1*5 in 1 USB C Hub, 1*User Manual NOTES: 1)The 5 in1 usb-c hub has two kinds packages, the new upgrade and the old version, and the product functions are the same. 2)When the laptop goes to sleep, the Hub will automatically disconnect the HDMI connection to protect your device, which will need to be replugged when you wake up the computer. 3)Pls do not plug and unplug the HDMI port when the hub is power on.