Brightness are adjustable according to your requirement.
Soft light， protect your eyes.
Wireless charging function can be directly use for Nokia 920/930(and phone with qi standard).
For other smart phones， make sure you have qi standard receiver for you phone(for example: for iphone qi standard receiver).
Short press to the button to turn it ON/OFF，  long press to make it brighter or darker. You can also blow the top to turn it OFF.
Voltage: DC12V
Adapter voltage: AC 110-240V
Power: 5V
Color temperature: white
Material: aluminum alloy
charging pad size: 118*72.5*7.5MM
LED pole size: 260MM
Color: Black/White