OPERATION METHOD OF RING-TYPE LED LAMP
LED light with USB interface, which can be charged by connecting a computer or a
power bank.
A
B
C
B
A. Short press one level to brighten, long press to keep bright.
B. Short press to switch between cold light, neutral light and warm light.
C. Short press one level to dim, long press to keep dimming
D. Power button, short press to turn on/off
