[Upgraded 3 Brightness to Chosse ]7LED and 3 Brightness modes in total, Featuring 3 color temperatures, Press the switch and hold for 3 seconds to change light color. Satisfying different light needs in daily life, such as reading, working, studying, sewing. [Easy to Charge]Built in rechargeable lithium battery and micro-USB port. Enjoy your wireless 30 HOURS reading without charging at brightness setting (Warm, Low). Standard Android micro-USB cable included. Allowing you to recharge your book light via laptop, power banks, 5V phone charger (not included). [Eye-Protection & No Flicker ]There are 3 Colors Levels, Stable and the perfect brightness that keeps your eyes comfortable and protect your eyes from shining hurt and radiation. [Lightweight & Portable Design]Small in size, 2.82oz lightweight, Perfect as book lights, bedside lamps, music stand light, computer light, desk light or for headboard reading, camping, kid's night reading, study, keyboard, kindle, makeup, sewing, painting, tailoring, DIY tasks and hobbies. [Flexible Neck&Sturdy Clip]This clip light is flexible and provide 360 degrees functionality. Double rubber pad on the clip protects pages from being . Lamp beads: 7 LEDs Power: 5W Color temperature: 5500K-6000K Output: DC 5V/1A How to use: Contact switch 3 levels dimming Using non-flicker screen eye protection LED lamp beads, uniform illumination, close to natural light, soft surface, almost no ghosting, long-term use does not hurt the eyes; Small design, can be clipped on a book or placed on the table; Three levels of light plus night light. The darkest light source can be fully charged for 10 hours. Moderate light source can be fully charged for 6 hours. The brightest light source can be fully charged for 5 hours. Space does not affect other people. For example, it is clamped inbooks and notes on electricity. This type of light is used more in the performance of the symphony o