Glocusent GLCSNTBL301
Glocusent USB Rechargeable Book Light
User Manual
Model: GLCSNTBL301
Introduction
Thank you for choosing the Glocusent USB Rechargeable Book Light. This portable and versatile reading light is designed to provide optimal illumination for reading in various environments, ensuring eye comfort and convenience. With adjustable brightness and color modes, it is perfect for book lovers, students, and anyone who enjoys reading without disturbing others.
Safety Information
- Do NOT turn the head of the light forcefully to the left or right beyond 90°, as it contains an internal electrical cord that can be damaged.
- Keep the device away from water and high humidity.
- Avoid exposing the device to extreme temperatures (hot or cold).
- Do not attempt to disassemble or repair the device yourself. Refer to qualified service personnel.
- Dispose of the battery according to local regulations. Do not incinerate.
Package Contents
- 1 x Glocusent USB Rechargeable Book Light
- 1 x Book Mark
- 1 x User Manual
Product Overview
The Glocusent Book Light features a compact design with intuitive controls and a flexible clip for easy attachment to books or surfaces.


- Power Button: Turns the light On/Off.
- Brightness Adjustment Button: Cycles through 5 brightness levels.
- Color Mode Button: Switches between 3 color temperatures.
- Battery Indicators: Four LED lights show the remaining battery charge.
- Flexible Clip: Allows attachment to various book sizes and surfaces.
- Adjustable Head: Rotates for optimal light positioning.
Setup
Before first use, it is recommended to fully charge your Glocusent Book Light.
- Locate the USB plug at the end of the book light.
- Plug the book light directly into any standard USB-A port (e.g., computer, power bank, USB wall adapter).
- The four battery indicator lights will illuminate during charging and turn off when fully charged.
- A full charge provides 10-80 hours of reading time, depending on the brightness setting.


Operating Instructions
Learn how to use your Glocusent Book Light for an optimal reading experience.
- Power On/Off: Press the power button (⏻) to turn the light on or off.
- Adjust Brightness: Press the brightness adjustment button (≡) to cycle through 5 different brightness levels. The light will remember your last used brightness setting.
- Change Color Mode: Press the color mode button (💡) to switch between 3 color temperature modes:
- Amber Mode (1800K): Filters 99.9% blue light, ideal for eye protection and reducing eye strain, especially before sleep.
- Breeze Mode (3400K): Provides a cozy and comfortable light for general reading.
- Precise Mode (6000K): Highlights the reading area clearly for focused tasks.
- Flexible Positioning: The clamp can open up to 150°. The light head can be turned left and right by 90° and downwards by 45°. Adjust the angles freely to achieve comfortable lighting for any book size or reading position.
- Clipping to Books: The lightweight design (1.41oz / 40g) allows it to clip onto books without causing significant indentation or damage, even to paperbacks.





Maintenance
- Clean the light with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Store the book light in a cool, dry place when not in use.
- Avoid dropping the device or subjecting it to strong impacts.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Battery is depleted. | Charge the book light fully. |
| Light flickers or dims unexpectedly. | Low battery. | Recharge the device. |
| Light head does not adjust smoothly. | Internal cord obstruction or damage. | Do not force adjustment beyond specified angles (90° left/right, 45° down). If issue persists, contact customer service. |
| Battery life is shorter than expected. | Frequent use of highest brightness setting. | Lower brightness settings consume less power and extend battery life. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | GLCSNTBL301 |
| Dimensions (LxWxH) | 4.09"D x 1.34"W x 0.59"H |
| Item Weight | 1.45 ounces (41 Grams) |
| Light Source Type | LED (5 beads) |
| Brightness | 28 Lumen (Max) |
| Brightness Levels | 5 |
| Color Temperatures | 3 (1800K Amber, 3400K Breeze, 6000K Precise) |
| Battery Type | Lithium Polymer (500mAh) |
| Power Source | Battery Powered, USB Rechargeable |
| Voltage | 5 Volts (DC) |
| Material | Acrylonitrile Butadiene Styrene |
| Switch Type | Touch |
| Special Features | Portable, Eye-caring, Dimmable, Memory Function, Hands-Free |
Warranty and Support
Your Glocusent Book Light is covered by a 24-month warranty from the date of purchase, ensuring peace of mind regarding product quality and performance.
For any questions, concerns, or warranty claims, please contact Glocusent customer service. Our friendly customer service team is ready to assist you.
Contact Information: Please refer to the contact details provided on the product packaging or the official Glocusent website for the most up-to-date support channels.
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