Usage Tips:Eye Protection Book Light- Upgrade 9 LEDs book light specially designed with 3 lighting color options, stepless dimming brightness, which is more use-friendly and convenient for you to choose the most suitable lighting mode under different reading envoriment.Eye-caring reading light creates a natural and soft light which wont straine your eyes even after long hours of use, perfect for your bedtime reading, working, travel, camping etc. 3 Brightness Modes- 3 different LED lights colours design (4 warm white leds / 5 cool white leds /9 mixed leds) and stepless brightness brightness settings, which provide you a great variety and allows you to see how drawings look under different settingswhich is very useful. Simply tap the sensitive touch button to switch from 3 color lighting modes. Stepless Brightness Control- Different from other reading lights brightness control button, this reading light clip on book provides stepless adjustable brightness level by long touching the control button, suit you for different reading environments.The brightness control is super easy to use and sensitive enough that it gives you enough time to choose your level rather than others that change too quickly. 360 Flexible Neck- Upgraded 360bendable goose neck (17cm) better solves the vibration problem, so you can twist the clip on book light in any direction to suit your reading. Its mini size and compact design also makes it easy to carry on, you canplace it anywhere you like. Portable & Multiple Uses- With the anti-slip pad on the bottom, this book reading light is sturdy enough to stand on its own. Besides the book light clip is wide enough to clip on book, laptop, tablet, bunk bed etc. Whether you are camping or traveling,it is an ideal tool for reading at night. Book Light, Your Good Helper for Bedtime Reading When someone's sleeping beside you at your reading time, now you don't need to worry about disturbing your partners, even don't have to get up to turn off the main light of room. This is a portable reading lamp that can easily clip on book, bunk bed, also it can stand on its own and you don't need to unclip it everytime when you want to turn page. 3 Colors Modes with Stepless Dimmable Simply tap the sensitive touch button to switch from 3 color lighting modes (4 LEDs warm light/5 LEDs white light/9 LEDs mixed light) and long touch to adjust the brightness as you like for each color modes. Tap 1: 4 LEDs Warm Light Tap 2: 5 LEDs White Light Tap 3: 9 LEDs Warm & White Light Tap 4: Power Off Tap and hold the button to increase brightness Release your finger and hold the button again to lower the brightness A Portable Travel Book Light, Easy To Carry On - 1. USB rechargeable book light with 4 LEDs battery indicators help you easily know the remaining power of the book light, and the charging indicator light will change from red to green after full charged. - 2. 360 flexible and sturdy goose neck makes the book light bendable and easy to carry on, also the adjustable clamp is up to 4cm/1.57ft so you can easily clip it onto your book, bunk bed etc. - 3. Soft silicone surface of the light clamp can protect pages from damage. Specification: Light Source: 9 LEDs Light Color: Warm & White White Light Color Temperature: 3000K-6500K Power Supply: 1*3.7V 600mAh Battery Battery Charging Time: 2H Working Time: 5H(High Brightness)/10H(Low Brightness) Size: 39*30*330MM (L*W*H) Package Included: 1 * Book Light 1 * USB Charging Cable 1 * User Manual