6 Light Modes & Eye Protect FunctionThe reading light has 6 color temperatures: Amber Light (1300K), Yellow(2500K), Warm White(3500K), Natural White(4500K), White(5500K), Cool White(6500K). Amber light (1300K) protects your eyes from blue light to reduce eye strain. Compared to other reading lights for beds, our bed light is equipped with 36 upgraded LEDs that provide a more uniform and brighter luminance. Memory Function & 5 Brightness ModesMemory Function: Always remember the color temperature and brightness last used, when turned on again, the light will return to the previous setting. 5 different brightness modes suit you for different reading environments, you can touch control the book reading light with two buttons. 360 Flexible GooseneckBook light for reading in bed with 360 flexible neck allows you to bend and twists to the exact position, and won't be shaky when you move the book. Its mini size and compact design also make it easy to carry on. USB RechargeableThe book reading light built-in 1800mAh battery, that powers depending on the brightness level 1-5, it can be used for 3-40 hours. And you can charge the reading light anywhere by USB ports, Laptop, Power banks, and 5V phone charger (NOT included). Practical and Elegant DesignThe clip on reading lights for beds have been upgraded to 6 color and 5 brightness adjustments, so that the clip on lights for beds create 30 setting modes to meet your different needs. The LED book light with a round head design can simulate the diffuse reflection of natural light, which reduces multiple shadows and provide a clear view, no flash, no glare.