3 BRIGHTNESS MODES - the book light offers 3 different brightness settings: Press the switch button behind the light head to choose a different brightness mode according to your needs. 1st click high level (warm white light), 2nd click warm light, 3rd click white light, 4th click off. The book reading lamp is ideal for working, sleeping and reading. EYE PROTECTION AND ENERGY EFFICIENT LED TECHNOLOGY - this reading lamp emits an even, natural, soft and non-flickering light that can effectively relieve eye fatigue and protect your eyes. eyes.The most suitable light for reading and book light can easily illuminate 2 pages of book, notebook or anything you would like to illuminate.Product selling point:1. No matter you are leaning on the desk while reading a paper book, magazine, checking paper folder in the office, or lying on a sofa or bed, you can bend over and find the most suitable lighting angle. 2.Light brightness is 3 -level dimmable, with this flexible adjustment, you can focus onyour reading without worrying about whether the light is too bright to disturb others 3.The portable mini reading light emits soft white light and High brightness warm, super bright for reading, less eye protection4. The light in the shape of a thin strip (about 2mm thick), it is thin enough to be a bookmarker.5.It can stand upright on the table using the attached clamp serving as a sturdy base, or snap directly onto your book/e-reader without the use of the clip. 360 FLEXIBLE SILICONE GOOSE NECK AND STURDY CLIP - The flexible yet sturdy gooseneck makes the book light bendable 360 degrees. The reading light designed with extra sturdy padded clip, silicone surface protects pages being clamped and provides secure grip compared to bare light. on or free standing to optimize your light source.SAVE MONEY ON BATTERIES - The book reading light only takes about 2 hours to be fully charged and the light will turn white from red. comes with USB design, it can be powered by laptop/computer, power bank, phone charger, car usb and etc. PORTABLE AND MULTIPLE USES - Compact design and mini size make it easy to carry carry. The reading lamp is perfect for books (night reading), camping, children's reading, bookshelves, closets, computers, laptops, pianos, desks and much more.