- 1.3 Brightness Levels and 3 Adjustable Color Temperatures: Choose from 9 light modes to create the perfect reading environment. The warm white and amber settings provide a glare-free glow, allowing children and avid readers to enjoy their books without straining their eyes. - Flexible Lighting Angle: The innovative design allows the LED lens to swivel 90° left and right and tilt 45° downward. The 315° flexible holder can be adjusted to any angle for optimal viewing, eliminating the need for constant repositioning. - Convenient USB Charging: Featuring a built-in USB port, this lamp can be effortlessly charged by plugging it into a laptop, power bank, adapter, car charger, or any USB outlet. The 200mA lithium battery charges in just 1.5 hours, providing 3-6 hours of illumination, depending on brightness settings, and eliminates the need for disposable batteries. - Eye Protection with Amber Glow: With a color temperature of 1800K, this upgraded amber book light effectively blocks 99.95% of blue light, minimizing stimulation of your photoreceptors and preserving your circadian rhythm. Ideal for use in the bedroom, it protects your eyes during late-night reading sessions. - Practical Applications: Perfect for bedtime stories with kids, late-night studying, or cozy reading in bed, this versatile lamp meets a variety of lighting needs while ensuring comfort and eye safety.