1. Product Overview
The NEBO GLOW Tumbler Handle Light (Model 6668) combines the functionality of an ergonomic tumbler handle with a versatile LED light source. It is designed to securely hold 20 oz and 30 oz tumblers, providing illumination for various activities.

Image: The NEBO GLOW Tumbler Handle Light, showcasing its design with integrated lighting.
2. Setup
2.1 Battery Installation
- Locate the battery compartment on the handle.
- Open the battery cover.
- Insert 3x AAA batteries, ensuring correct polarity (+/-).
- Close the battery cover securely.

Image: Illustration of how to open the battery compartment and insert AAA batteries into the handle.
2.2 Attaching to a Tumbler
- The GLOW handle is designed to fit most 30 oz tumblers directly.
- For 20 oz tumblers, use the included removable insert. Place the insert into the top ring of the handle before inserting the tumbler.
- Ensure the tumbler is seated firmly within the handle's rings for a secure grip.

Image: The NEBO GLOW handle demonstrating the removable insert for adapting to 20 oz tumblers.
3. Operating Instructions
3.1 Light Modes
The GLOW features three distinct light modes, accessible via the power button:
- COB Task Light: Provides 220 lumens of forward-facing illumination. Ideal for directing light to a specific area.
- Lantern Mode: Emits 130 lumens of downward-facing light, illuminating your immediate surroundings.
- Combo Mode: Activates both the COB Task Light and Lantern Mode for a combined output of 350 lumens, offering broad and directed illumination.

Image: Visual representation of the three light modes: 130 Lumen Lantern, 220 Lumen Task Light, and 350 Lumen Combo.
3.2 Powering On/Off and Mode Selection
- Press the power button once to turn on the light in the last used mode (Power Memory Recall).
- Press the power button repeatedly to cycle through the available light modes.
- To turn off the light, continue cycling through modes until it switches off, or press and hold the power button.
The GLOW features Direct-to-Lantern functionality, allowing you to activate the downward-facing lantern mode without cycling through other brighter modes first, preventing accidental blinding of others.

Image: The NEBO GLOW handle illuminating the ground, demonstrating the downward-facing lantern mode.
3.3 COB Technology
The GLOW utilizes advanced COB (Chip-on-Board) technology, which provides a stronger, more uniform beam for a greater overall lighting experience compared to traditional LEDs.

Image: A close-up view of the COB LED strip on the NEBO GLOW handle, highlighting the lighting technology.
3.4 Product Video: GLOW Light + Handle Overview
Video: An official overview of the NEBO GLOW Light + Handle, demonstrating its features and how it makes tumblers easier to hold and carry.
4. Maintenance
4.1 Cleaning
To clean your NEBO GLOW Tumbler Handle Light, use a damp cloth. Hand wash only. Do not submerge the device in water or use abrasive cleaners.
4.2 Water Resistance
The device is designed to be water-resistant, offering protection against splashes and light rain. It is not intended for submersion in water.
4.3 Battery Replacement
When the light output diminishes, it is time to replace the AAA batteries. Follow the battery installation steps in Section 2.1.
5. Troubleshooting
- Light not turning on:
- Check if the batteries are inserted correctly with the proper polarity.
- Ensure the batteries are not depleted. Replace with fresh AAA batteries if necessary.
- Dim light output:
- This usually indicates low battery power. Replace the AAA batteries.
- Handle not securely gripping tumbler:
- Ensure the tumbler is the correct size (20 oz or 30 oz).
- If using a 20 oz tumbler, verify the removable insert is correctly placed.
- Check for any debris or obstructions in the handle's grip rings.
6. Specifications
| Model Number: | 6668 |
| Dimensions: | 7 x 4.75 x 4.75 inches |
| Weight: | 0.47 lbs (4 ounces) |
| Battery Type: | 3x AAA batteries (included) |
| Light Modes & Lumens: |
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| Run Time: | Up to 3 hours (depending on mode) |
| Material: | Stainless Steel (with rubberized grip) |
| Water Resistance: | Yes (water-resistant build) |
| UPC: | 645397932178 |
7. Warranty & Support
7.1 Warranty Information
The NEBO GLOW Tumbler Handle Light comes with a 1 Year Limited Manufacturer Warranty. For full details and terms, please refer to the manufacturer's official website.
7.2 Customer Support
For any questions, technical assistance, or warranty claims, please visit the official NEBO website or contact their customer service department.





