[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 -USB port. Enjoy your wireless 30 HOURS reading without charging at brightness setting (Warm, Low). Standard Android -USB cable included. Allowing you to recharge your book light via laptop, power banks, 5V phone charger (not included).[Eye-Protection and 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 and 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, , makeup, sewing, painting, tailoring, DIY tasks and hobbies.[Flexible NeckandSturdy Clip]This clip light is flexible and provide 360 degrees functionality. Double rubber pad on the clip protects pages from being damaged.Lamp beads: 7 LEDsPower: 5WColor temperature: 5500K-6000KOutput: DC 5V or 1AHow to use: Contact switch 3 levels dimmingUsing 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 orchestra.Colour: blackMaterial: plasticPackage Contents:1 x Desk lamp1 x USB charging cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.