1. Product Overview
The Bose Ultra Open Earbuds Wireless Charging Case Cover is designed to enhance the functionality and protection of your Bose Ultra Open Earbuds. This accessory allows for convenient wireless charging, provides robust protection against scratches and scuffs, and offers enhanced portability through its integrated carabiner.

Image: The Bose Ultra Open Earbuds Wireless Charging Case Cover, showcasing its sleek design and integrated carabiner for easy attachment.
2. What's in the Box
Upon opening your package, please ensure all the following items are present:
- Bose Ultra Open Earbuds Wireless Charging Case Cover
- Carabiner
- Quick Start Guide
3. Setup Instructions
3.1 Installing the Case Cover
- Ensure your Bose Ultra Open Earbuds charging case is clean and free of debris.
- Carefully slide the bottom portion of the silicone case cover onto your earbuds charging case, aligning the charging port and LED indicator.
- Place the top portion of the silicone case cover onto the lid of your earbuds charging case, ensuring a snug fit.
3.2 Attaching the Carabiner
- Locate the small loop on the side of the case cover.
- Open the gate of the provided carabiner.
- Thread the carabiner through the loop and close the gate securely.
4. Operating Instructions
4.1 Wireless Charging
The case cover enables wireless charging for your Bose Ultra Open Earbuds. To charge wirelessly, simply place the covered earbuds case onto a compatible Qi-certified wireless charging pad. Ensure the case is centered on the charging pad for optimal connection. The LED indicator on your earbuds case will confirm charging status.

Image: The Bose Ultra Open Earbuds Wireless Charging Case Cover positioned on a wireless charging pad, demonstrating its charging capability.
4.2 Protection
The case cover is made from ultra-protective silicone, designed to shield your Bose Ultra Open Earbuds charging case from daily wear and tear, including scratches, scuffs, and minor impacts. This soft-touch material provides a comfortable grip while adding a layer of defense.
4.3 Portability
Utilize the included carabiner to easily attach your earbuds case to backpacks, belt loops, keys, or other gear. This feature ensures your earbuds are always within reach and securely fastened, preventing accidental loss while on the go.
Video: A product overview demonstrating the installation of the case cover, its protective silicone design, the functionality of the carabiner, and the wireless charging convenience for the Bose Ultra Open Earbuds.
5. Maintenance
To maintain the appearance and integrity of your case cover:
- Wipe the silicone surface with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive cleaners, as these may damage the material.
- Ensure the case cover is completely dry before re-installing your earbuds case.
6. Troubleshooting
6.1 Case Cover Not Staying Attached
- Ensure both the top and bottom parts of the case cover are correctly aligned and fully seated on your earbuds case.
- Verify that there is no debris or foreign material preventing a secure fit.
- The silicone is designed for a snug fit; if it feels loose, gently press around the edges to ensure it adheres properly.
6.2 Wireless Charging Issues
- Confirm that your wireless charging pad is Qi-certified and functioning correctly.
- Ensure the earbuds case, with the cover installed, is precisely centered on the charging pad. Slight adjustments to its position may be necessary.
- Check for any obstructions between the case and the charging pad.
- Verify that your earbuds are properly seated inside their charging case.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | 888919-0020 |
| Product Dimensions | 1.34 x 3.01 x 2.46 inches |
| Item Weight | 1.42 ounces |
| Color | White Smoke |
| Compatible Devices | Bose Ultra Open Earbuds |
| Shell Type | Soft (Silicone) |
| Manufacturer | Bose |
| Country of Origin | Vietnam |
8. Warranty and Support
For detailed warranty information and customer support, please refer to the official Bose website or the documentation included with your original Bose Ultra Open Earbuds. You can also visit the Bose Store on Amazon for additional resources and product information.





