A: .There are 3 connectivity modes – BT, 2.4GHz Wireless and Wired mode using Type C cable.
A: Yes, below is the detailed guide for the same
Press & Hold FN and Z key, the Keyboard will enter into configuring mode. (Now press the desired key, Short press again to change the color.)
After selecting the keys and assigning the colors, click FN and Z key to save your data.
A: The keyboard enters power saving mode, while left unused for few minutes. You can switch the mode to USB (wired) and remove the cable, to manually power OFF the keyboard.