When unpacking the USB hubs I have found that the image description on the product page of the contents of my package is different. The AC adapter is much bulkier than on the product side and therefore also takes up more space on the desk away.
The unit was immediately recognized by my PC (Windows 7), a blue light indicates that the device is ready for use.
The USB ports are recognized, my smartphone went right in charging stand.
I think it's good that you can use the hub without the PC. He then serves as a charging station for USB devices. You have to take the front 3 USB high-power ports. The other USB ports located on the device only work if the PC is running.
Normally, the LED indicator is blue, the indicator lights red if the current 3.16 A is exceeded. Then one should disconnect the connected device immediately on the stroke.
The unit works very quickly. I have connected an SD card adapter. The screen layout was super fast.
The unit I really like, I can recommend it, 5 stars from me! Only one on / off button I would have liked, but there are other devices, it is similar, therefore unacceptable.