1. [INFINITE BRIGHTNESS LEVELS] Experience custom lighting with our bookmark lamp with three different color modes: warm, white and natural. Steplessly adjust the brightness with a long press to ensure perfect illumination of your reading environment, whether you are in bed or traveling.
2. [EYE-IMPROVING DESIGN] Enjoy uninterrupted reading without straining your eyes. This innovative bookmark lamp provides a soft, even light that will never disturb your partner while you immerse yourself in your favorite book. Perfect for night reading and relaxing experience. 3. [Portable and lightweight] Take your reading light with you everywhere! Our bookmark lamp is ultra slim and lightweight and fits easily in your book or bag. The flexible and foldable design allows you to manipulate the direction of the light, making it an ideal companion at home or on the go. 4. [USB RECHARGEABLE CONVENIENCE] Say goodbye to endless battery changes! Our bookmark lamp is equipped with built-in USB battery that provides up to 20 hours of continuous light at the lowest setting. Simply charge it via a power bank, computer or any USB socket. 5. [IDEAL FOR READERS] Whether you are reading before bed, working or enjoying nature, this reading light is perfect for ages. A must-have for avid readers and those who love to read without disturbing others, making it a thoughtful gift for any book lover.

Specifications:
Item Type: Luminous Bookmark
Material: Plastic
Weight: approx. 77 g / 2.72 times.
Battery: 3.7V 250mAh lithium polymer battery (built-in)
Light source: white light, warm light, natural light
Control: taste
Dimmable: long press for continuous dimming of brightness

Comment to use:
Insert the USB plug into the charger port, press the switch to turn on the light, click to turn on the light mode, long press, steady dimming brightness.

Package List:
1 x signet ring book light.
1 x user manual (English language not