Gritin G1328

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Gritin G1328 Rechargeable Neck Reading Light User Manual

Model: G1328 | Brand: Gritin

Introduction

Thank you for choosing the Gritin G1328 Rechargeable Neck Reading Light. This manual provides essential information for the safe and efficient use of your device. Please read it thoroughly before operation and retain it for future reference.

What's in the Box

  • 1 x Gritin G1328 Neck Reading Light
  • 1 x USB-C Charging Cable (1M)
  • 1 x User Manual

Note: A power adapter is not included.

Product Features

Adjustable Brightness Levels

The Gritin G1328 offers both stepped and stepless dimming options to suit various lighting needs.

  • 5 Levels of Brightness: Short press the brightness button to cycle through 10%, 25%, 50%, 75%, and 100% brightness levels.
  • Stepless Dimming: Long press the brightness button for 3 seconds to smoothly adjust brightness from 0% to 100%.
Image showing the brightness adjustment button and different brightness levels on a book.
Figure 1: Brightness adjustment button and visual representation of 5 brightness levels (10%-100%) and stepless dimming.

4 Color Temperature Options

Select from four distinct color temperatures to optimize your reading experience and reduce eye strain.

  • Amber Light: 2000K
  • Warm White: 3000K
  • Natural White: 4500K
  • White Light: 6000K
Image showing a person wearing the neck light and reading a book, with different color temperature options displayed.
Figure 2: Visual demonstration of the four color temperature options (Amber, Warm White, Natural White, White) and their corresponding Kelvin values.

Ergonomic and Comfortable Design

The neck light is designed for comfort during extended use, featuring a neck curve fit and lightweight construction.

  • Neck Curve Fit: Ergonomically designed to fit comfortably around your neck, minimizing pressure.
  • Lightweight: Weighing only 4.3 ounces (122g), it ensures comfort even during long reading sessions.
  • Flexible & Bendable Arms: The arms can be bent to any angle, allowing precise light positioning.
Image showing the Gritin neck light worn by a person, highlighting its comfortable and ultra-light design.
Figure 3: The neck light's ergonomic design, showing how it comfortably rests around the neck. Dimensions are also indicated.
Image demonstrating the flexible and bendable arms of the Gritin neck light, allowing users to adjust the light direction.
Figure 4: The flexible arms of the neck light being adjusted to direct light onto a reading surface.

30-Minute Smart Timer

A built-in timer automatically turns off the light after 30 minutes, promoting healthy reading habits and preventing accidental battery drain.

Image showing a person using the 30-minute smart timer feature of the neck light while reading in bed.
Figure 5: The 30-minute smart timer in action, with a green light indicating active timing. This feature helps prevent forgetting to turn off the light.

Rechargeable Battery & Long Runtime

Equipped with a 1000mAh battery, the light provides extended use on a single charge.

  • Battery Capacity: 1000mAh.
  • Runtime: Over 80 hours of light (depending on brightness settings).
  • Charging: USB-C charging, fully recharges in 2-3 hours.
  • Power Indicators: 4 clear indicators show the current battery status.
Image illustrating the rechargeable battery and long runtime of the Gritin neck light, showing 1000mAh capacity and 80+ hours of use.
Figure 6: Visual representation of the 1000mAh battery and its capability to provide over 80 hours of light.

Eye-Caring Illumination

High-quality LED beads provide soft, even illumination to reduce eye fatigue, making it ideal for extended reading sessions without disturbing others.

Image showing a person reading with the neck light while another person sleeps nearby, demonstrating that the light does not disturb others.
Figure 7: The neck light provides focused illumination, allowing one person to read without disturbing another sleeping nearby.

Setup

Initial Charging

  1. Before first use, fully charge the neck reading light.
  2. Connect the provided USB-C charging cable to the charging port on the neck light.
  3. Plug the other end of the cable into a USB power source (e.g., computer, wall adapter, power bank).
  4. The power indicators will illuminate to show charging progress. All 4 indicators will be solid when fully charged.
  5. Charging typically takes 2 to 3 hours.
Video 1: Demonstrates the charging process and battery indicator of the Gritin G1328 Neck Reading Light. This video also shows the brightness and color temperature adjustments.

Operating Instructions

Power On/Off

  • Press the power button once to turn the light on.
  • Press the power button again to turn the light off.

Adjusting Brightness

  • Stepped Brightness: Short press the brightness adjustment button (usually marked with three horizontal lines) to cycle through the 5 preset brightness levels (10%, 25%, 50%, 75%, 100%).
  • Stepless Dimming: Long press the brightness adjustment button for approximately 3 seconds to activate stepless dimming. Release the button when the desired brightness is reached.

Changing Color Temperature

  • Short press the color temperature button (usually marked with a light bulb icon) to cycle through the 4 color temperature options: Amber (2000K), Warm White (3000K), Natural White (4500K), and White (6000K).

Using the 30-Minute Timer

  • To activate the 30-minute timer, long press the power on/off button. A green indicator light will illuminate, confirming the timer is active.
  • The light will automatically turn off after 30 minutes.
  • To deactivate the timer before 30 minutes, simply press the power button again to turn off the light manually.

Memory Function

The light features a memory function that recalls your last used brightness and color temperature settings when turned back on.

Video 8: Illustrates the various operational features of the Gritin G1328 Neck Reading Light, including power, brightness, color, and timer functions.

Maintenance

  • Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
  • Avoid exposing the light to extreme temperatures, direct sunlight, or high humidity.
  • Store the light in a cool, dry place when not in use.
  • Do not attempt to disassemble or repair the device yourself. This will void the warranty.

Troubleshooting

ProblemPossible CauseSolution
Light does not turn on.Battery is depleted.Charge the device fully using the provided USB-C cable.
Light flickers or is dim.Low battery.Recharge the device.
Cannot change brightness/color.Incorrect button press.Ensure you are using the correct button (brightness or color) and applying the correct press duration (short press for stepped, long press for stepless/timer).
Timer not activating.Incorrect button press.Long press the power button to activate the 30-minute timer. A green light should appear.

Specifications

FeatureDetail
Model NumberG1328
BrandGritin
Light Source TypeLED
Color TemperaturesAmber (2000K), Warm White (3000K), Natural White (4500K), White (6000K)
Brightness Levels5 stepped levels (10%-100%), Stepless dimming (0%-100%)
Battery Capacity1000mAh Lithium Polymer
Charging PortUSB-C
Charging Time2-3 hours
Runtime80+ hours (at lowest brightness)
Timer Function30-minute auto shut-off
Item Weight4.3 ounces (122g)
Product Dimensions8.66"D x 5.23"W x 0.87"H
MaterialAcrylonitrile Butadiene Styrene, Silicone

Warranty and Support

Gritin products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided with your purchase or visit the official Gritin website.

Please retain your proof of purchase for warranty claims.

© 2026 Gritin. All rights reserved.

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