EYE PROTECTION - Most electronic devices such as mobile phones, computers, and televisions emit blue light, which may potentially harm the eyes over time by affecting the retina. This book light features an amber hue with minimal blue light emission, helping to reduce exposure and provide a more comfortable reading experience. The warm amber light may also support natural sleep patterns by promoting a calming environment. STURDY CLAMP AND FLEXIBLE NECK - The flexible gooseneck allows for easy adjustment to direct light exactly where needed. The clamp features a rubber pad to protect pages and surfaces from damage while ensuring a secure and stable hold. This book light can be attached to headboards, laptops, books, and more. RECHARGEABLE LITHIUM BATTERY - Equipped with a built-in 1000mAh rechargeable battery and USB charging port, this book light can be powered using a USB charger, computer, power bank, or other standard USB power sources. A blue indicator light illuminates during charging. LIGHTWEIGHT & PORTABLE - Weighing only 83g, this compact LED reading light is lightweight and easy to carry. Its portable design makes it ideal for travel, camping, or everyday use. Conveniently fits in a bag or pocket. 7 LEDS & 3 BRIGHTNESS SETTINGS - Features 7 LEDs with three adjustable brightness levels. Simply press the button to select the ideal lighting for reading or working, helping to reduce eye strain without disturbing others. Color: Black Material: ABS Size: 24cm Package Contents: 1 x LED Light 1 x USB Cable Note: The product image may slightly differ from the actual item due to lighting and display variations. Measurement may vary by +/- 1-3cm.