[CHANGE 3 COLOR TEMPERATURES & STEPLESS DIMMING] This book light for reading in bed has 3 color temperatures to choose from: white light, warm light, and warm white light. The brightness of each color temperature can also be adjusted. [270 ROTATING LAMP HEAD] The light head of this hanging neck reading lamp can be rotated 270 degrees. When you hang it on your neck or put it on the table as a desk lamp, you can change the light angle by adjusting the position of the lamp head. [RECHARGEABLE AND LONG-LASTING USE] This reading light for books in bed has a built-in 1800 mAh battery. You can reuse it by recharging, so you no longer waste money on the battery and reduce the generation of battery waste. [FLEXIBLE HOSE] This neck reading light can be flexibly bent and can be rotated 360 powerfully, allowing you to choose the best light angle in different environments. [WIDE RANGE OF USES] It is very suitable for indoor and outdoor use in bedrooms, dormitories, schools, etc. It can be used for reading, repairing, jogging at night, knitting, etc.