RED YELLOW LIGHT: Blue light has been proven to disrupt melatonin production, which interferes with the body's natural sleep cycle. For night owls who love to read and work during the dark hours, this portable reading lamp features two of the warmest light colors in the spectrum, yellow and red. BLUE LIGHT BLOCKING: With a temperature of 1600K to 1000K, this warm LED night light blocks up to 99.99% of the blue light reaching your eyes via e-readers. Our night light's battery fully charges in 45 minutes with the included USB cable and lasts up to 30 HOURS on a single charge! DIMMABLE READING NIGHT LIGHT: Unlike other night reading lamps, this one has 100% adjustable brightness. Designed with a stepless dimming button that can be long-pressed to achieve the desired brightness between 0-120 lumens. Easily attaches to any device or book with a non-slip clip. LIGHTWEIGHT TRAVEL-FRIENDLY: Just press, it's lightweight and perfect for travel. The highly flexible 360-degree extension allows you to easily direct the warm night light to any angle. The LEDs are enclosed in a light-diffusing shell that provides a soft, vibrant, candle-like glow. The perfect ambiance for reading. FOR NIGHT READING: The perfect gift for the bookworm in your life! With its lightweight portable design, long-lasting battery, and two super-rich warm LED colors, this is an ideal choice for people who read or work at night.