Small Book Light Clip On Rechargeable Lightweight Reading Lights 3 Brightness Levels 3 Color Temperatures for Books in Bed Up to 70 Hours Eye-Friendly Lighting for Kids Feature: 1.Customize Your Illumination: The book light in bed has 3 color temperatures and 3 brightness settings. The brightest setting easily lights up 2 full pages of any size book, and the lowest one creates a private reading space for you when your partner is sleeping next to you. 2.Rechargeable & Long-Lasting: The built-in rechargeable battery provides 4~70 hours of even and eye-friendly light based on your brightness setting. In just 1.5 hours, you can fully charge the book light rechargeable with the included micro USB cable. .