Adjustable Lighting for Comfort Features 3 color temperature modes and 3 brightness levels to suit your reading environment. brightness illuminates two full pages of any size book for easy reading. Lowest setting creates a private, soothing light that will not disturb a partner sleeping nearby. Rechargeable Power for Extended Use Builtin rechargeable battery delivers between 4 and 80 hours of consistent, eyefriendly light depending on brightness level. Fully charges in just 1.5 hours using the included micro USB cable, ensuring minimal downtime. UltraLightweight and TravelFriendly Weighs only 1.3 ounces, adding virtually no extra weight when clipped to a book. Compact, foldable design takes up minimal space — similar in size to a computer mouse — making it easy to carry in a bag or suitcase. Secure and Gentle Clamp Design Opens up to approximately 1.2 inches, providing a firm grip on books, ereaders, tablets, and other thin surfaces. Nonslip clip with soft sponge padding protects covers from marks or scratches. Practical Use Scenarios Ideal for bedtime reading without disturbing others. for travel, allowing you to read comfortably on planes or trains. Convenient for use in lowlight environments such as libraries or waiting areas without accessing overhead lights. Specification Highlights Lighting: 3 color temperatures, 3 brightness settings. Battery: Rechargeable, 4–80 hours of operation per charge. Charging: Full charge in 1.5 hours via micro USB. Weight: 1.3 oz. Clamp opening: up to 1.2 inches. Clip padding: soft sponge for protection.