CHANGE 3 COLOR TEMPERATURES&STEPLESS DIMMINThis 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. You only need to long press and hold the switch to adjust the brightness of the color temperature. You can adjust the color temperature and brightness according to your own preferences and usage scenarios. 270ROTATING LAMP HEADThe lights 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. Simple Fast and meet your daily needs. RECHARGEABLE AND LONG-LASTING USEThis reading lights for books in bed has a built-in 1800 mAh battery. You can re-use it by recharging, so you no longer waste money on the battery and reduce the generation of battery waste. It is environmentally friendly and simple. The use time is about 10 hours after the battery is fully charged. FLEXIBLE HOSEThis neck reading light can be flexibly bent and can be rotated 360 powerfully, allowing you to choose the best light angle in different environments. It can also be used as a desk lamp on a table. To create a perfect light angle for yourself.