1. Introduction
This manual provides detailed instructions for the Donerton Wireless Earbuds Model I66. These earbuds feature Bluetooth 5.3 connectivity, an IP7 waterproof rating, and an ergonomic over-ear design, making them suitable for various activities including sports and workouts. Please read this manual carefully to ensure proper use and maintenance of your device.
Package Contents
- Donerton Wireless Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- User Guide
- Multiple Sizes of Eartips (S, M, L)

Image: Contents of the Donerton Wireless Earbuds package, showing the earbuds, charging case, USB-C cable, user guide, and different sized ear tips.
2. Setup
2.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. The charging case features an LED display to show the battery percentage of the case and individual charging status of the earbuds.
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The LED display on the case will show the charging progress. A full charge typically takes approximately 1 hour for the earbuds.

Image: The charging case displaying battery levels for both the case and individual earbuds. It also indicates the location of the reset button.

Image: Illustration of the USB-C charging port on the case, highlighting fast charging capabilities: 1 hour for a full charge, providing up to 8 hours of earbud playtime and 50 hours with the charging case.
2.2 Bluetooth Pairing
The earbuds offer one-step pairing for convenience.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "A20" (or similar model name) from the list of devices to connect.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.
To Reset Earbuds: If you experience pairing issues, place both earbuds back into the charging case. Press and hold the reset button (located inside the charging case, as shown in the image above) for 8 seconds. This will clear previous pairing records and allow you to re-pair.
Video: This video demonstrates the one-step pairing process for the Donerton Wireless Earbuds, showing how to connect them to a mobile device via Bluetooth. It also illustrates how to reset the headphones by pressing and holding the reset button for 8 seconds.

Image: Visual representation of Bluetooth 5.3 technology, indicating stable and efficient wireless connectivity for the earbuds.

Image: Depiction of wide compatibility, showing the earbuds connecting to a laptop, tablet, and multiple smartphones.
3. Operating Instructions
3.1 Wearing the Earbuds
The Donerton Wireless Earbuds feature an over-ear hook design for a secure and comfortable fit, especially during physical activities. Choose the ear tips that best fit your ear canal for optimal sound quality and comfort.
- Select the appropriate size of ear tips (S, M, L) for your ears.
- Gently place the earbud into your ear canal.
- Adjust the flexible ear hook over your ear to secure the earbud in place.

Image: A person engaged in running, demonstrating the secure fit of the Donerton Wireless Earbuds with their flexible earhooks. A detailed view of the earbud and earhook design is also provided.

Image: An illustration demonstrating the ergonomic design of the earbuds and the availability of small, medium, and large ear tip sizes for a customized fit.
3.2 Touch Controls
The earbuds feature smart touch controls for easy management of music playback, calls, and voice assistant activation.
| Action | Left Earbud (L) | Right Earbud (R) |
|---|---|---|
| Play/Pause | Click Once | Click Once |
| Next Track | Long Press (2 seconds) | |
| Previous Track | Long Press (2 seconds) | |
| Volume Up | Click Once | |
| Volume Down | Click Once | |
| Answer/End Call | Click Once | Click Once |
| Reject Call | Long Press (2 seconds) | Long Press (2 seconds) |
| Activate Voice Assistant | Triple Click | Triple Click |

Image: A visual guide to the touch controls on the earbuds, detailing actions like play/pause, track skipping, volume adjustment, and call handling.
3.3 Usage Modes
- Twin Mode: Use both earbuds simultaneously for a stereo audio experience.
- Mono Mode: Use a single earbud independently for calls or audio, allowing you to remain aware of your surroundings.

Image: Demonstrates the flexibility of using the earbuds in either Mono Mode (one earbud) or Twin Mode (both earbuds) for different listening preferences.

Image: A collage illustrating diverse usage scenarios for the earbuds, including driving, fitness activities, relaxation, and professional work settings.
4. Maintenance
4.1 Cleaning
Regular cleaning helps maintain sound quality and hygiene.
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Remove ear tips and clean them with mild soap and water if necessary. Ensure they are completely dry before reattaching.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
4.2 Waterproofing (IP7 Rating)
The Donerton Wireless Earbuds are rated IP7 waterproof, meaning they are protected against immersion in water up to 1 meter for up to 30 minutes. This makes them suitable for workouts and use in rainy conditions.
- Avoid prolonged immersion in water.
- Do not use the earbuds while swimming or showering.
- Ensure the earbuds are dry before placing them back into the charging case to prevent damage to the charging contacts.

Image: Overview of key features including IP7 Waterproof rating, indicating the earbuds' resistance to water.
4.3 Storage
When not in use, store the earbuds in their charging case to protect them from dust, damage, and to keep them charged.
5. Troubleshooting
If you encounter any issues with your Donerton Wireless Earbuds, please refer to the following common solutions:
- Earbuds not pairing:
- Ensure both earbuds are charged.
- Place earbuds back in the case, close it, then open it again to re-enter pairing mode.
- Perform a factory reset: Press and hold the reset button in the charging case for 8 seconds. Then, re-pair with your device.
- Delete "A20" from your device's Bluetooth list and try pairing again.
- No sound from one earbud:
- Ensure both earbuds are charged and connected.
- Try placing both earbuds back in the case and taking them out again.
- Perform a factory reset as described above.
- Earbuds not charging:
- Ensure the charging cable is securely connected to both the case and the power source.
- Check if the charging case itself has power (refer to the LED display).
- Clean the charging contacts on both the earbuds and inside the case with a dry cotton swab.
- Poor sound quality:
- Ensure the ear tips are correctly sized and sealed in your ear canal.
- Clean any debris from the earbud speakers.
- Move closer to your connected device to avoid Bluetooth interference.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | I66 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Meters |
| Water Resistance Level | IP7 Waterproof |
| Battery Life (Earbuds) | Up to 8 Hours (single charge) |
| Total Playtime (with Case) | Up to 50 Hours |
| Charging Time | Approx. 1 Hour |
| Charging Port | USB-C |
| Control Method | Touch |
| Noise Control Features | Noise Cancelling (Mic) |
| Ear Placement | Over Ear |
| Item Weight | 4.9 ounces (0.14 Kilograms) |
| Product Dimensions | 1.97 x 1.18 x 1.97 inches |
7. Warranty and Support
Donerton products are designed for reliability and performance. For specific warranty information, please refer to the warranty card included in your product packaging or visit the official Donerton website. If you require technical assistance or have questions not covered in this manual, please contact Donerton customer support through the details provided on the product packaging or their official website.
Online Support: For further assistance, please visit the Donerton Store on Amazon.





