Innotech USB Rechargeable Book Light, Warm White, Brightness Adjustable for Eye-Protection, LED Clip on Portable Bookmark long lasting Light for Reading in Bed, Car, Tent

[5 Brightness Adjustable] This small book light has 5 brightness levels available; you can choose the most suitable level for your eyes. You can set your favorite brightness as default with the book light for reading in bed. Plus, there are 5 LED beads scientifically installed so the light can be evenly distributed on reading pages. It is bright enough to illuminate the full pages and dim enough not to disturb others nearby. No flickering or harsh light. [3 Color Modes & Eye Caring] Unlike other reading lights for books in bed, our tiny book reading light has 3 different reading modes: Eye- caring Reading Mode (2800k) , Relaxing reading Mode (4500K), and Focusing Reading mode(6500K). Eye Caring mode filters 99.9% blue light to protect your eyes and reduce eye strain. The Relaxing mode provides a cozy and comfortable reading world for novel reading & poem reading. The Focusing mode clearly highlights the area so you can concentrate on every detail of your book. [USB Rechargeable & Long Lasting]Standard USB rechargeable and compatible with any USB ports on your computer, adapter, or USB outlet. This rechargeable book light has a built-in 500mAh battery providing 10–80 reading hours (depending on your brightness setting). So you can enjoy reading for 20 days to 3 months if you read 30 minutes daily, based on your light setting. Besides, there are 4 power indicators to show the power left over. [Flexible & Portable Design] The clamp of the clip-on light can open maximally 150°; the light head can be turned left, right, and downside with angles of 90°, 90°, and 45° respectively. It is flexible enough for all book sizes. You can adjust the angles freely to get comfortable lighting. This book lamp is only 1.41oz(40g), much lighter than an egg. Its lightweight and small design gives it air portability or clip-on books without much effort. Perfect tiny book light for traveling.