Feature:1. Clip on Reading Light: Lightweight and portable, suitable for reading in bed. The LED book light offers 6 levels of brightness and 5 color modes (3100K 4100K 4550K 5000K 7100K), allowing you to customize the suitable lighting. Memory function for your convenience.2. Eye Caring: Enjoy soft, no flicker, and non glaring light. The light will not strain your eyes even with prolonged use. The foldable LED lamp head expands the light range to illuminate the entire page without disturbing others.3. Adjustable Timer Function: Unique sleep aid with 2 timers for consistent sleep habits. Set the timer for 30 or 60 minutes and enjoy the gradual dimming feature that simulates a calm sunset. Ideal for quiet reading before bedtime with 3100K warm light.4. USB Rechargeable and Long Lasting: Built in 700mAh high performance battery, providing up to 9-120 hours of reading time depending on settings. The power indicator light shows the battery level in different colors, so you no longer have to worry about running out of power. Compatible with any USB port on a computer, adapter, or USB socket.5. Lightweight and Portable: The unique foldable LED lamp head design makes it more compact and easy to carry. Size is 5.51x1.5x0.7 inches and weighs 2.3 ounces, it can easily clip onto books and fit into any pocket or backpack, making it ideal for travel or camping, allowing you to enjoy reading anytime, anywhere.Specification:Item Type: Clip On Reading LightMaterial: ABSBattery: Polymer Lithium Ion Battery (Built in) Capacity: 700mAhCharging Port: USBColor Temperature: 5 Colors 3100K 4100K 4550K 5000K 7100KBrightness: 6 Brightness DimmableHead Rotation: Horizontal Rotation 180 Degree, Vertical Rotation 90 DegreeSleep Timer Function: Set Timer for 30 or 60 MinutesFlashlight Function: Long Press the Color Temperature Button to Enter Flashlight ModeSize: 14.0x3.81x1.78cm / 5.51x1.5x0.7in.Package List:1 x Clip On Reading Light1 x User Manual