Three colors & Brightness Stepless Dimming Come with 3 color temperature: Warm, Natural & White. Each mode owns an independent switch for step-less adjustment. Easy to create the perfect brightness to meet your reading environment. Flexible Arms & Rotatable Reading Light The book lights top can be easily rotated 270 to adjust the light angle at any time, durable and flexible arms, allow you to choose the best lighting angle in different environment, bendable and strong.Shining the smallest area with enough bright light for reading without disturbing your sound asleep partner. Rechargeable & long-term use Designed with advanced LED beads ,no eye strain any more for both kids and adults. Built-in 1800mAh battery, it needs about 3 hours to get fully charged, and it enables you to enjoy wireless 10 hours use time,very convenient to take it with you on travel. Eye Caring & Not Disturb Others Children and adults no longer have eye fatigue, It is bright enough to the area you positioned and at the same time dim enough to not disturb your sound asleep partner. Adjusting the brightness can reduce the range of light without affecting your reading or reading It will affect the sleeping partner next to him. It can be given as a gift to your little friends or children, so that they can have a different LED collar reading light