Wirecutter Editor Pick Winner

• [5 Brightness Adjustable] This little book light has 5 brightness levels available, you can choose the most suitable level for your eyes. This reading light will memorize the previous setting of the brightness for you to enjoy the light simultaneously. There are 5 LED beads scientifically installed so the light can be evenly distributed on reading pages. The light is bright enough to illuminate the full pages, while it is dim enough not to disturb others nearby. No flickering, nor harsh light.
• [3 Color Modes & Eye Caring] This tiny book light has 3 different color modes: amber reading mode(1800K), breezy reading mode(3400K), and precise reading mode(6000K). The amber book light filters 99.9% blue light to protect your eyes and to reduce your eye strain. The breezy reading mode provides you with a happy and comfortable reading world for novel reading & poem reading. The precise reading mode highlights the area clearly 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. The built-in 500mAh battery provides you with 10 – 80 reading hours (depending on your brightness setting). It means you can enjoy your reading for 20 days to 3 months if you read 30 minutes per day, based on your setting. In addition, there are 4 power indicators to show you the power leftover.
• [Flexible & Portable Design] The clamp of the clip-on light can open maximally 150°. The head of the light can be turned left, right and downside with angles of 90°, 90°, and 45° respectively. It is flexible enough for all book sizes reading. You can adjust the angles freely to get comfortable lighting. This book light is only 1.41oz(40g), much lighter than an egg. Its lightweight and small design make it easy to carry or clip on books without much effort. Perfect tiny book light for travel.
• [Product Guarantee] Original patent applied. FCC, CE, RoHS, PSE, C-TICK approved. Worry-free 18-month warranty and friendly customer service. NOTE: DO NOT turn the head of the light hardly to left or right beyond 90°, as it contains an electricity cord inside.