Flexible Book Light Head - The LED book light head can be rotated 90 counterclockwise, 180 clockwise, 45 clockwise. the bottom, 350 flexible stand bends to any angle for your best viewing. Perfectly meet your lighting direction needs. USB Rechargeable Reading Light - Built-in 200mAh lithium rechargeable battery and charged by any universal USB interfacecomputer, power bank, adapter , car charger or USB socket for charging. No cables needed, easy and convenient. A full charge takes 1.5 hours and provides 8 hours of lighting. 3 Brightness Level Clamp Light with ON/OFF/DIMMER Switch --25 Lumens, 3000K Warm White Light, White Light natural 4300K, cold white light 8000K. Turn the book light on/off and adjust the brightness from 10% to 100% by pressing the manual switch. Good for eye protection and creates a private reading space for you without disturbing your roommate. Lightweight and Portable Reading Light - This slim and lightweight children's book light is ideal for clipping a book when reading at night; can be completely folded flat and slim, portable put in pocket, suitable for bed reading or travel reading. Versatile bookmark light - This ideal gift for kids, adults and bookworm can also be used as bookmark. Perfect LED reading light for paperbacks, magazines, bedtime stories, newspapers, etc. Note: The data are all manual measurement, please allow 1 - 3cm error , due to the difference in light and display, there will be a certain color difference, depending on the physical object received.