This folding book lamp is made of environmentally friendly white maple wood material and uses laser cutting technology to ensure that bending will not damage the lamp. 1.Touch the USB port to change the color and dimming brightness.2.Switching the light color by open and close the book light. Long press the USB port to adjust the brightness of the light. High-brightness LEDs, combined with tyvek paper with a light transmittance of 98%, not only protects your eyes but also helps you fall asleep.