Book Light for Reading, USB Rechargeable, on LED Bookmark Lamp with 3 Colors

[3 Color Modes Book Light & Eye-Caring] - this Smart Reading Light has 3 reading modes: Warm Light (2800K), White Light (6000K) & Natural Light (4500K). Warm Light filters 99.9% blue light to reduce eye strain; White Light highlights every detail of your book; Natural Light provides a cozy and comfortable reading experience. [5 Brightness Levels Reading Light] - this book light for reading in bed has 5 brightness levels dimming, choose the most suitable level for any situation as you need. Build in 5 premium LED beads scientifically installed & The lampshade adopts diamond honeycomb carving technology, which improves the light refractive index and softens the light. Bright but no-dazzling (no blue light, no stroboscopic & flickering), it will remain the brightness level you selected before. [Flexible, Compact & Portable] - this clip-on book light is designed for maximum flexibility & portable, with a base clamp that rotates 170° and an LED lamp head that rotates 90 degrees up and down and 180 degrees left and right. [USB Rechargeable Night Light & Long-Lasting] - Compact design with USB, no additional cables or batteries needed - simply plug your the USB rechargeable book light into a computer, power bank, adapter, car charger, or USB outlet for easy charging. Built-in 500mAh battery, fully charged takes about 1.5 hours and provides up to 10-80 hours (depending on brightness setting). Timing Function - 0.5 hours, a 30 minutes story time for easing into sleep.