3 Brightness to Chosse:LED and 3 Brightness modes in total,Featuring 3 color temperatures,Press the switch and hold to change light color.Satisfying different light needs in daily life,such as reading,working,studying,sewing Easy to Charge:Standard USB cable included.Allowing you to your book light via laptop,power banks Eye Protection: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:Small in size,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 Neck Sturdy Clip:This clip light is flexible and provide 360 degrees functionality.Double rubber pad on the clip protects pages from being damaged