product description 1. BRIGHTNESS TO CHOOSEThe book clip reading light has 3 color temperatures from including normal color, relax color and reading color, making it easy to satisfy your different light demands in daily life and adapting to different illumination situations. The clip on reading light will be magically changed the color temperature by long press while being changed the brightness by short press. 2.UP TO HOURS LONGER-LASTING LIGHTING TIMEBuilt in rechargeable lithium battery, the night book light brings up tolighting time (at low brightness setting) with only quickly recharging and offers longer wireless reading time tested by our engineers. The clip-on book light with notable battery indicator, making it so convenient and safe to know the remaining power real time and the charging status to avoid overcharge. 3.CARE MORE ABOUT YOUR EYES AND HEARTSThe rechargeable night reading light provides more stable and comfortable light than common incandescent lamps, protecting your eyes from shining hurt and radiation. The clip on reading light with super soft light also makes it possible for you to read in bed at night without disturbing your partner. With no flicker, no shadow or no dizzy light, the clip on book light offers you a more enjoyable and peaceful moment. 4.LIGHTWEIGHT & PORTABLE DESIGN This brandnew clip on book light lightweight enough to carry around like a mini lipstick. It is also easily to fold for your private night reading. Come with a USB cable, allowing you to recharge your book light via PC, laptop, power banks, 5V phone charger (not included). 5360 FLEXIBLE GOOSE NECKThe goose neck is flexible and you can clip the reading light wherever you want. Silicone surface protects places being clamped and the adjustable clip ensures firm grip, making it an ideal assistant for computer, reading, sewing, making up, etc. Are you still hesitant about a thoughtful gift for better reading or working time? That's it!