Flexible Book Lamp Head - The LED book lamp head can be rotated 90° counterclockwise, 180° clockwise, 45° clockwise. bottom, 350° flexible stand bends to any angle for best viewing. Perfectly meets your lighting direction needs. USB Rechargeable Reading Light - Built-in 200mAh lithium battery and charged by any universal USB interface: computer, power bank, adapter, car charger or USB socket for charging. No cables needed, simple and convenient. A full charge takes 1.5 hours and provides 8 hours of lighting. 3-level brightness clamp on light with ON/OFF/DIMMER switch --25 lumens, 3000K warm white light, white light natural 4300K, cool white light 8000K. Turn on/off the book light and adjust the brightness from 10 to 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 folded completely flat and slim, portable to put in your pocket, suitable for bedside reading or reading on the go. Versatile bookmark light - This perfect gift for children, adults and bookworms can also be used as a bookmark. Perfect LED reading light for paperbacks, magazines, fairy tales, newspapers, etc.