1. Introduction
This manual provides essential information for the safe and efficient operation of your Glocusent Extendable Book Light A26. Please read it thoroughly before use and retain it for future reference.
2. Product Overview and Features
The Glocusent Extendable Book Light A26 is designed to enhance your reading experience with its versatile features:
- Expanded Coverage: An innovative 1cm extendable head provides a 30% larger lighting area, ensuring both pages of your book are fully illuminated. It features 5 ultra-bright LEDs (65 lumens) and an integrated reflective cup for uniform lighting.
- Unique Sleep Aid with 3 Timers: Set timers for 30, 45, or 60 minutes. A long-press activates a gradual dimming feature, simulating a sunset to help you transition to sleep.
- 3 Color Modes & 5 Brightness Levels: Choose from Warm (2700K), Versatile (4000K), or Crisp (6000K) light. Adjust brightness through 5 levels (7%, 15%, 30%, 60%, 100%). A memory function retains your last chosen settings.
- Rechargeable & Long-lasting: Equipped with a built-in 500mAh battery, the light offers 9 to 80 hours of continuous use on its lowest brightness setting. It features a convenient USB-A charging port and fully charges in approximately 1.5 hours.




3. Package Contents
Verify that all items are included in your package:
- 1 x Glocusent Extendable Book Light
- 1 x User Manual
- 1 x Bookmark
4. Setup
- Unpack: Carefully remove all items from the packaging.
- Initial Charge: Before first use, fully charge the book light. Refer to the "Charging" section for detailed instructions.
- Attach to Book: Extend the clip from the base of the book light. Gently slide the clip onto the cover or pages of your book.
- Adjust Light Head: The light head can be extended by 10mm and rotated to direct the light precisely onto your reading material.

5. Operating Instructions
Power On/Off
Press the power button (marked with a power symbol) to turn the light on or off.
Brightness Adjustment
Short press the brightness button (marked with three horizontal lines) to cycle through 5 preset brightness levels (7%, 15%, 30%, 60%, 100%). The light has a memory function and will recall your last brightness setting.
Color Temperature Adjustment
Short press the color temperature button (marked with a light bulb and temperature symbol) to switch between Warm (2700K), Versatile (4000K), and Crisp (6000K) light modes. The light has a memory function and will recall your last color setting.
Sleep Aid & Timer Function
Short press the timer button (marked with a clock symbol) to set a timer for 30, 45, or 60 minutes.
To activate the unique gradual dimming sleep aid mode, long-press the timer button. The light will gradually dim over the selected timer duration, simulating a sunset.



6. Charging
The Glocusent Extendable Book Light features a built-in USB-A charging port for convenient recharging.
- Remove the protective cap from the USB-A connector.
- Plug the USB-A connector directly into any standard USB power source (e.g., power bank, laptop, USB wall adapter).
- The charging indicator lights will illuminate to show charging status.
- A full charge takes approximately 1.5 hours.

7. Maintenance
To ensure the longevity and optimal performance of your book light, follow these maintenance guidelines:
- Keep the device dry. Do not expose it to moisture or extreme temperatures.
- Clean the light head and body with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- When not in use for extended periods, store the book light in a cool, dry place.
8. Troubleshooting
If you encounter any issues with your Glocusent Extendable Book Light, refer to the following common problems and solutions:
Light does not turn on:
- Ensure the battery is charged. Connect to a USB power source and check the charging indicator.
- Press the power button firmly.
Light is dim or flickers:
- The battery may be low. Recharge the device.
- Adjust the brightness level using the brightness button.
Light head is stiff to adjust:
- Apply gentle, even pressure when adjusting. Avoid forcing the mechanism.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Glocusent |
| Model Name | A26 (GLCSNTA2601) |
| Item Weight | 1.62 ounces (46 Grams) |
| Product Dimensions | 4.69 x 0.59 x 1.3 inches |
| Light Source Type | LED |
| Number of Light Sources | 5 |
| Brightness | 65 Lumens (Max) |
| Color Temperature | Warm 2700K, Versatile 4000K, Crisp 6000K |
| Battery | 1 Lithium Polymer (500mAh) |
| Charging Time | 1.5 hours |
| Battery Life | 9 to 80 hours (depending on brightness) |
| Special Features | Cordless, Extendable Head, Timer, Sleep Aid Mode |
| Material | Acrylonitrile Butadiene Styrene |
| Control Method | Push Button |
| Certifications | FCC, CE, RoHS, PSE & C-TICK |
10. Warranty and Support
Your Glocusent Extendable Book Light A26 comes with a 2-year warranty and a 30-day return service.
For 24/7 online services and support, please visit the official Glocusent website or contact customer service.






