Introduction
Thank you for choosing the Gritin G1310 Rechargeable Book Light. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
Product Overview
The Gritin G1310 is a compact, eye-caring LED reading light designed for comfortable reading in various environments. It features adjustable color temperatures, brightness levels, and a flexible design for optimal illumination.
Key Features:
- Eye-Caring Design: 7 high-quality LED beads with a unique honeycomb lampshade for soft, diffused, anti-glare, anti-flicker, and anti-shadow lighting.
- Adjustable Color Modes: Three color temperatures (1800K Amber, 3400K Mixed, 6000K White) to suit different reading preferences and environments.
- Flexible Brightness Control: 5 preset brightness levels and stepless dimming from 10% to 100%.
- Long-Lasting Battery: Built-in 600mAh USB-C rechargeable battery provides up to 80 hours of illumination.
- Multi-Angle Adjustment: Light head rotates 90° left/right, tilts 45° downwards, and the clip adjusts 215° for precise positioning.
- Memory Function: Automatically recalls the last used color temperature and brightness settings.
- Portable Design: Compact and lightweight, made from durable ABS material.
Package Contents
- Gritin G1310 Rechargeable Book Light
- USB-C Charging Cable
- User Manual
Setup
Charging the Book Light
Before first use, fully charge the book light. The device comes with a built-in 600mAh battery and a USB-C charging port.
- Locate the USB-C charging port on the device.
- Connect the provided USB-C cable to the book light and the other end to a USB power source (e.g., computer, wall adapter).
- The power indicator lights will illuminate to show charging status. All four lights indicate a full charge.

Image: Gritin G1310 Book Light with USB-C charging port and battery indicator showing 80 hours of use from a 600mAh battery.
Attaching the Book Light
The book light features a sturdy clip for attachment to books, e-readers, or other surfaces.
- Gently open the clip and attach it to the desired page or cover of your book.
- Ensure the clip is securely fastened to prevent the light from falling.
Operating Instructions
Power On/Off
- Press the power button (marked with a circle and vertical line) once to turn the light on or off.
Adjusting Color Temperature
The book light offers three distinct color temperatures.
- Short press the color temperature adjustment button (marked with a thermometer icon) to cycle through the modes: Amber Light (1800K), Mixed Light (3400K), and White Light (6000K).

Image: Gritin G1310 Book Light showing three color temperature options: Amber (1800K), Natural (3400K), and Cold (6000K) with a user reading under each light setting.
Adjusting Brightness
The book light provides both preset brightness levels and stepless dimming.
- Preset Brightness: Short press the brightness adjustment button (marked with three horizontal lines) to quickly switch between 10%, 25%, 50%, 75%, and 100% brightness levels.
- Stepless Dimming: Long press the brightness adjustment button for 4 seconds to smoothly adjust the brightness from 10% to 100%. Release the button when the desired brightness is reached.

Image: Gritin G1310 Book Light illustrating 5 levels of brightness (5 to 35 lumens) with short presses and stepless dimming (10% to 100%) with a long press of the brightness adjustment button.
Adjusting Light Angle
The flexible design allows for precise light positioning.
- The light head can be rotated 90° to the left or right.
- The light head can be tilted 45° downwards.
- The clip base can be adjusted up to 215°.
- Adjust the light head and clip to direct the illumination exactly where needed.

Image: Gritin G1310 Book Light demonstrating flexible angle adjustment: 90 degrees left/right rotation and 45 degrees downward tilt of the light head.
Maintenance
Cleaning
- Ensure the device is turned off before cleaning.
- Wipe the surface with a soft, dry cloth.
- Do not use abrasive cleaners or solvents, as they may damage the finish.
Storage
- Store the book light in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, charge the battery periodically to maintain its health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Battery is depleted. | Charge the book light using the provided USB-C cable. |
| Light flickers or is dim. | Low battery. | Recharge the book light. |
| Cannot change color mode or brightness. | Incorrect button press. | Ensure you are using short presses for cycling modes/levels and a long press for stepless dimming. |
| Light does not hold a charge. | Faulty charging cable or adapter; battery degradation. | Try a different USB-C cable and power adapter. If the issue persists, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | G1310 |
| Light Source Type | LED (7 beads) |
| Color Temperatures | 1800K (Amber), 3400K (Mixed), 6000K (White) |
| Brightness Levels | 5 preset levels (10%, 25%, 50%, 75%, 100%), Stepless dimming (10%-100%) |
| Battery Capacity | 600mAh Lithium Polymer |
| Charging Port | USB-C |
| Max Illumination Time | Up to 80 hours (at lowest setting) |
| Material | ABS Plastic |
| Product Dimensions | 4.31"D x 1.28"W x 0.59"H (10.97cm x 3.26cm x 1.5cm) |
| Item Weight | 1.52 ounces (43 grams) |
| Voltage | 5 Volts |
| Wattage | 1.5 Watt-hours |
Safety Information
- Do not disassemble or modify the device.
- Keep away from water and high humidity. This product is not waterproof.
- Avoid direct eye exposure to the LED light for prolonged periods.
- Keep out of reach of children.
- Use only the provided or certified USB-C charging cable.
Warranty and Support
Warranty
Gritin products come with a standard manufacturer's warranty. Please refer to the product packaging or the official Gritin website for specific warranty terms and conditions.
Customer Support
For any questions, technical support, or warranty claims, please contact Gritin customer service through the retailer where the product was purchased or visit the official Gritin website for contact information.





