About this item 【3 Color Temperatures】 -- There are 3 color temperature options for this kids reading book light, 5000K natural white, 3000K warm white and 8000K cool white. Press the touching switch on the light head to change the modes. 【Brightness Dimmable】 -- The book reading light has 4 upgraded super bright LEDs, 25 Lumens, brightness can be adjusted from 100% to 10%. Hold the touching switch for seconds to adjust the brightness from bright or dim. 【USB Rechargeable】 -- The built-in USB charging port of the clip book reading light can be charged by any universal USB interface like computer power bank or other USB charging port , the battery out put is 0.15W, 3.7V,200mA.Safe easy and convenient. 【Flexible Lighting Head】 -- The book light’s led head can be rotated 90° anticlockwise, 180° clockwise, 45° downwards, the book light body can be rotated 350° .Perfectly meet all your lighting direction needs. 【Portable Design Multi Colors and After Sale Service】 -- Novelty design,convenient to take out multiple color choices(green,orange,pink,blue,white,magenta,purple), an ideal gift for kids, adults and bookworms. We offer 6 month after sale service for any question,if you need help ,please kindly contact us by amazon email, our team will give you a good solution within 12 hours. › See more product details