[Amber and Daylight] - With two lighting modes to choose from, 4000k white light and 1550k amber, this kids' book light blocks 99.94% of blue light, which is great for eye protection. Tap the touch button on the lamp head to switch between modes. Dimmable Brightness - The reading light is 25 lumens and the brightness can be adjusted from 100% to 50%. USB Charging - The clip lamp can be charged via any universal USB interface, simple and convenient. Flexible Lamp Head - The LED head of the book light rotates 90° clockwise, 180° counterclockwise, and 45° downwards to perfectly meet your lighting direction needs. Cute Design - Novel design, many colors to choose from, an ideal gift for children, adults, and book lovers. Book Light LED Reading Light 25 lumens, white light 4000k, Amber lamp 1550k, 0.15w, 3.7v, 200mA, lifespan 30000 hours. Lamp body touch button on/off, also with dimmer. The indicator is blue when charging; after charging is complete, the blue indicator turns off, then the book indicator can work. A full charge takes 2 - 3 hours and the lighting time is 7 hours. Very small and portable, the reading light is an excellent gift for book lovers, perfect for reading in bed or while traveling. The book light provides 4000k warm white light that can be adjusted to 2 brightness levels (100% - 10%) via a touch button. Warm white light and amber light protect your eyes, and you can choose one of the readings. 1550k Amber Lamp The book light provides 4000k warm white light that can be adjusted to 2 brightness levels (100% - 10%) via a touch button. The warm white light and amber light protect your eyes, and you can choose one of the readings. Product size: 10.5 cm * 4.6 cm * 1.3 cm