[3 Colors 9 Modes Brightness]: The book reading light has 3 color temperatures (1600K, 4200K, 6000K) and 3 levels of brightness settings for each color ranging from low, medium and high. In total 9 modes to meet all your needs, the lowest setting is bright enough to read at night. Brightness adjustable easily with pushing the single button on top of the lamp. [Rechargeable and Wireless]: The clip-on book light built-in long lasting chargeable battery, enable you to enjoy wireless reading up to 65 hours at low light setting before recharge. The reading lamp is cordless, come with a USB-C cable allowing you to recharge your lamp easily and quickly. Power indicator function is a highlight plus to show you the remaining power. [Eye Care and Sleep Aid]: 1600K warm is blue light blocking, no flickering and no dazzling, comfortable on eyes with soft intensity still being bright enough to read, reduce eye strain for kids and adults. 99.9% free of blue spectrum light, no more rhythm disruption and fall asleep quicker in bedtime when trying to read to sleep. [Flexible Neck and Adjustable Clamp]: The gooseneck is 360-degree flexible, easily redirected where you target and personalized beam to give you light while not disturb others, even if they are right next to you! The sturdy grip clipper can secure grip for thick objects, clamp open height about 1.2inches, anti-slip soft pad to protect pages being clamped and damaged. [ and Portable Design]: The Rechargeable book light only 1.9 oz, enough to clip on books and do not overturn on pages. Foldable goose neck making it easy to carry while travel, fold up and put in your pocket, purse, carry-on bag. It is multi-purpose, can be used as a handy light for sewing, knitting, crafting, working, camping and studying etc. PS: If you receive a LED book light is da, please fully before use! Material:ABS colour:blue Package Contents: 1 * Clip light 1 * USB cable Only the above package content, other products are not included. Note: Light 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.