Description360° adjustable, blue light blocking - The reading lamp supports 360-degree arbitrary adjustment, which can evenly illuminate the book when reading. Adjustable book light with blue light blocking, reading in bed or in the dark will not hurt the eyes, especially for children.7 LED, 3 colors - 7 LED book reading lights have 3 color modes to meet the needs of most readers. 3000K warm color contains 3 LEDs, 6000K white color contains 4 LEDs, 3000K+6000K combination color contains 14 LEDs.Ultra-light, portable design - The clip lamp is very light and easy to carry when folded to the size of a girl's palm. Our book light attaches to books, Kindle, iPad, laptop and comes with a non-slip pad to protect items from scratches or damage.Strong battery, long life - Rechargeable book lights, with rechargeable batteries. Battery capacity: 600mAh. After a full charge, you can enjoy about 10 hours of wireless reading. Battery-powered book lights can be widely used for reading, embroidery, painting and so on. LED lights last more than 50,000 hours without replacement.