Improved Comfort and Adjustability: The Rechargeable LED Book Light rotates 90 degrees in both directions (counterclockwise and clockwise), tilts 45 degrees, and uses a 135degree flexible stand to match your reading angle. Rechargeable and Low Maintenance: The clipon design fits securely to books and does not require additional batteries. After a 1.5 hour charge, you can enjoy up to 8 hours of illumination. Light for Reading Comfort: There are three color temperatures at 2800K, 4500K, and 6500K, with 3 brightness levels that can be adjusted by a simple button interface for a comfortable reading experience. Portable and Convenient: The clip design and compact size make it easy to carry and store, suitable for home, travel, and onthego use. Use Scenarios: Reading in bed at night without disturbing a partner. Studying or annotating at a desk or in a library with focused light. Traveling or reading in dim environments where a compact, clipon light is needed.