3 Color Modes and 5 Brightness Levels Adjustable: Our reading light has 3 modes--amber light (1600K), mixed light (4000K) and cool white light (6000K), each designed for different scenes. Specific reading strategies, including bedtime reading, general reading, and fine-grained reading. functioning. Each mode has 5 brightness levels. and you can choose the most suitable level. &àgrave; your eyes. Large Capacity and Rechargeable: Reading book light - no extra cables or batteries needed, plug it directly into a computer, power bank, adapter, car charger or USB outlet for reload. About 2.5 to 3.5 hours for a full charge. The built-in 500 mAh battery gives you 8 to 500 mA battery. 80 hours of playback (depending on your brightness setting). In addition, there are 4 power indicators to show you the remaining power. ⏳30/60 Minutes Automatic Timer: This small book lamp with 30/60 minutes automatic off timer, in green light mode, it The light is set to be on for 30 minutes, in blue light mode it is set to be on for 60 minutes. It will automatically turn off even if you accidentally fall asleep, ideal for children and avid readers. Lightweight and Portable: 1.38 ounce rechargeable reading light, small and lightweight, ideal for hanging a book when reading at night; can be completely folded &àgrave; Flat and thin, portable for reading on a plane, train or in the back seat of a car while traveling. When not in use, it stores easily in a backpack. hand, a handbag back, briefcase or even in your pocket. Multifunctional Reading Light: This well-designed reading light can be freely adjusted to the most comfortable position for you, which is sufficiently flexible for all book sizes, responds perfectly to any book size. meet your lighting direction needs. Its multiple uses make the LED reading lamp perfect for home, office, computer work or travel, ready to go. employment.