The Smart Hub 2 automatically powers on whenever it is connected to an electrical outlet.
To power down:
Unplug the Smart Hub from the electrical outlet.
Press and hold the power button located on the bottom of the Smart Hub for about 2 seconds
The Smart Hub 2 cannot be powered off while it remains plugged into an electrical outlet. If you try to power it off while it is still plugged in, the ring light will flash red.