EYE PROTECTION - Most electronic devices such as mobile phones, computers, and televisions emit blue light that may potentially harm the eyes by affecting the retina. This amber book light emits minimal blue light, helping to reduce exposure and support eye comfort. The warm amber tone may also support natural sleep patterns by promoting a relaxing environment. STURDY CLAMP AND FLEXIBLE NECK - The flexible gooseneck allows for easy adjustment to direct light where needed. Equipped with a rubber pad, the clamp helps protect pages and surfaces from damage while ensuring a secure and stable hold. The book light can be attached to headboards, laptops, books, and more. RECHARGEABLE LITHIUM BATTERY - Built-in 1000mAh rechargeable battery with USB charging interface. Can be charged using a USB charger, computer USB port, power bank, phone adapter, or car USB adapter. A blue indicator light illuminates during charging. LIGHTWEIGHT & PORTABLE - Weighs only 83g, this compact LED reading light is ideal for travel, camping, or everyday use. Its lightweight design makes it easy to carry 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 comfortable reading or working without disturbing others. Color: Black Material: ABS Size: 24cm Package Contents: 1 x LED Light 1 x USB Cable Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3cm.