EXCELLENT LIGHTING BRIGHTNESS & COVERAGE]The book light is equipped with 9 high quality LED light beads, the light is bright but not harsh, effectively protect your eyes. The head of the reading light can be rotated up and down, left and right by 90, so that its lighting area can be enlarged by 40%, completely covering 2 pages. Have a brighter and more comfortable experience reading in bed at night! UNIQUE 2 TIMING MODESTurn on the book light, long press the power button for 3 s, the green light will come on, and the book light will turn off automatically after 30 min; continue to long press the power button for 3 s, the blue light will come on, and the book light will turn off automatically after 60 min. The unique timed off can let you sleep without worry and save power; it can also remind you that you have been reading for 30 or 60 min, pay attention to rest and relieve eye fatigue. 3 COLORS & 5 LEVELS OF BRIGHTNESS DIMMABLE LIGHTbook reading light provides 3 color temperature modes: amber light (3200K), mixed light (4000K), cool white light (6000K); Amber light eliminates 99.9% of the blue light and protects your eyes, and the mixed light and cool white light make your reading and studying more comfortable and enjoyable. Each color temperature mode has 5 levels of adjustable brightness to ensure you can create the ideal atmosphere for your reading experience! USB RECHARGEABLE BOOK LIGHTThe booklight has a built-in 500mAh rechargeable battery, which can last for 8-80 hours of continuous illumination. Charging the reading lamp just need to open the bottom cover to plug into various power sources such as power, computer or USB socket, no extra charging cable is needed, charging is very convenient. Portable size, power indicator, and extra long usage time make it a perfect reading companion for your work and travel. Attention: Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding. The color may vary depending on the monitor, please understand. Attention: Hello, please pay attention to your shipping address when purchasing products. If your shipping information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly