Lightweight bookmark lamp with builtin reading light Purpose and benefit: Lights your reading material without disturbing others. The bookmark lamp doubles as a reading light and features a creative design that keeps your place while you read. Illumination and eye comfort: Uses LED beads with a 4000K color temperature to emit near natural light. This helps improve reading efficiency and protects eyesight during longer sessions. Size, design, and portability: Small, lightweight, and thin construction makes it a practical travel companion. Easy to carry and place in or on your book, outdoors or indoors. Power and runtime: Operates on a button battery with replaceable batteries. Provides up to 3 days of continuous use, ensuring uninterrupted reading. Practical use and reliability: Designed for comfortable, convenient book reading with simple operation and dependable performance. Use scenarios In bed: Attach or place the bookmark light to illuminate a page without waking a partner or roommate. While traveling: Its compact, lightweight form fits in bags or luggage for easy reading on planes, trains, or buses. Outdoor or lowlight settings: Ideal for reading outdoors at dusk, in cafes, or in libraries where discreet, focused light is needed.