Infinite Dimming: Our reading light has 9 modes that you can adjust 3 color temperatures and 3 brightness levels to suit your different reading environments In addition, our reading light also has infinite dimming to meet all your needs. Memory Function: Designed with 16 LED bulbs, the lighting source is soft as it does not produce flickering, dizziness or radiation.Its memory function makes the brightness and color temperature the same for the next restart, and you no longer have to adjust the right light. Mini Size: The upgraded 360° flexible reading light neck allows you to adjust your lamp to any angle you desire, providing you with 360° omnidirectional lighting.Its mini size and compact design also make it easy to carry. Power Indicator: Built-in rechargeable 600mAh lithium battery, book light provides a lighting time of up to 25 hours (at low brightness setting) with only 2 hours of full charge, allowing you to enjoy a long reading timelonger wireless.With the battery indicator, it is easy to know the remaining charge and charging status.