1, use: handheld or horizontal placed on the table, suitable for bedroom, living room, study, etc. Or as a gift. Turn off when not in use to conserve resources.
2: Find a stable power adapter connected to the USB power port and press the switch to light up, USB power cable controller switch introduction respectively ON/OFF key switch, +- key to adjust the intensity of the light, double arrow key to adjust the change of the light source.