Donerton I66
Donerton Wireless Earbuds I66 Instruction Manual
Model: I66
Introduction
This manual provides comprehensive instructions for the Donerton Wireless Earbuds Model I66. It covers product features, setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device. Please read this manual thoroughly before using the earbuds.

Image: Donerton Wireless Earbuds I66 in their charging case, displaying a full 100% battery charge on the LED screen. The earbuds are black with a sleek design, and the case is also black with a transparent lid.
What's in the Box
Verify that all components are present upon unboxing:
- Wireless Earbuds (L/R)
- Charging Case
- Replacement Ear Caps (S/M/L) - 4 pieces
- Type-C Charging Cable
- Instruction Book (This Manual)

Image: A flat lay showing all items included in the Donerton I66 package: the earbuds, charging case, various sizes of ear tips, a USB-C charging cable, and the user manual.
Product Features
Advanced Bluetooth 5.4 Technology
The earbuds are equipped with the latest Bluetooth 5.4 chip, ensuring a more stable and faster connection with lower power consumption. This technology provides enhanced protection against interference signals, resulting in a flawless audio experience.

Image: A visual representation highlighting the benefits of Bluetooth 5.4, showing improvements in connection range, stability, and data transfer speed, with a stylized chip design.
Immersive Hi-Fi Stereo Sound
Featuring 13mm dynamic drivers and ultra-sensitive polymer diaphragms, these earbuds deliver rich textures and a wide sound field. The balanced three-channel audio framework ensures powerful bass and stunning treble for an exceptional listening experience.

Image: An exploded view diagram of an earbud, illustrating the 13mm dynamic driver and its components, emphasizing the Hi-Fi stereo sound capabilities.
Extended Battery Life and Dual LED Display
Enjoy up to 8 hours of continuous playback on a single charge. The charging case provides an additional 37 hours, totaling 45 hours of battery life. The integrated LED screen on the charging case accurately displays the remaining power for both the earbuds (L/R) and the case itself. A full charge takes approximately 1.5 hours via USB-C.

Image: The earbuds and charging case are shown with large text indicating "45Hrs Long Playtime" and "LED Display". Icons represent 1.5 hours for full charge, USB-C fast charge, and 6-8 hours for earbuds, along with battery indicators for the earbuds and charging case.
Crystal Clear Calls with 4 Microphones
Built-in microphones combined with a CVC (Clear Voice Capture) algorithm effectively filter out surrounding noise, ensuring clarity and uninterrupted conversations during phone calls, regardless of your environment.

Image: A person is shown making a call with the earbuds. An inset diagram illustrates how the ENC (Environmental Noise Cancellation) technology, with its main microphone for talk, reduces ambient noise by 40dB, improving call clarity.
Ergonomic Design and IP7 Waterproof Rating
Each earbud weighs only 3.9g, providing an ultra-lightweight and comfortable fit that does not protrude from your ears. The ergonomic design ensures security, making them ideal for sports and workouts. The IP7 waterproof rating means they are resistant to sweat, splashes, and rain.

Image: A person is shown wearing the earbuds, demonstrating their comfortable fit. Accompanying diagrams highlight the ergonomic design, the IP7 waterproof capability (showing water resistance), and the three sizes of ear tips (S, M, L) provided for a customized fit.
Setup Guide
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the provided Type-C charging cable to the charging port on the case and a USB power source. The LED display on the case will show the charging progress. Once fully charged, the display will indicate 100%.
- Charging Case: Approximately 1.5 hours for a full charge.
- Earbuds: Charge automatically when placed inside the powered charging case.
2. One-Step Pairing
The Donerton I66 earbuds feature automatic pairing for convenience.
- Ensure your device's Bluetooth is turned on.
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device's Bluetooth settings, search for "I66" and select it to connect.
- Once connected, the earbuds will automatically pair with your device each time you take them out of the case.

Image: A visual guide demonstrating the "One Step Pairing" process. It shows the charging case opening to power on the earbuds and a smartphone screen displaying the "I66" device ready for Bluetooth connection.
3. Fitting the Earbuds
For optimal sound quality and comfort, choose the correct size ear tips. The package includes S, M, and L sizes. Gently insert the earbuds into your ear canal and rotate them slightly to ensure a secure and comfortable fit.
Operating Instructions
Smart Touch Control
The earbuds feature highly sensitive touch sensors for various operations:
| Action | Control |
|---|---|
| Answer Call | Once-Tap (L/R) |
| Hang Up Call | Once-Tap (L/R) |
| Reject Call | Long Press (L/R) |
| Volume - | Twice-Tap (L) |
| Volume + | Twice-Tap (R) |
| Play/Pause | Once-Tap (L/R) |
| Previous Track | Tap L x 2 Seconds |
| Next Track | Tap R x 2 Seconds |
| Voice Assistant (Siri/Google Assistant) | Triple-Tap (L/R) |

Image: A detailed graphic illustrating the smart touch control functions of the earbuds, including icons and descriptions for answering/rejecting calls, adjusting volume, playing/pausing music, skipping tracks, and activating the voice assistant.
Single/Twin Mode
The earbuds can be used individually (single mode) or as a pair (twin mode). Simply take one earbud out of the case to use it independently, or both for stereo sound. The pairing process remains the same.

Image: A depiction of two individuals, one wearing a single earbud and the other wearing both, to illustrate the flexibility of using the earbuds in either single or twin mode.
Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials. For ear tips, remove them and clean with a damp cloth, then dry thoroughly before reattaching.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged. Store the case in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the earbuds and case frequently. Charge them regularly, even if not in constant use.
- Water Exposure: While IP7 waterproof, avoid prolonged submersion in water. Dry the earbuds completely if they get wet before placing them back in the charging case to prevent damage.
Troubleshooting
If you encounter issues with your Donerton I66 earbuds, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing/connecting |
|
| Only one earbud working |
|
| Low volume or poor sound quality |
|
| Charging case not charging |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | I66 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 15 Meters |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 13 Millimeters |
| Frequency Range | 20 Hz - 20,000 Hz |
| Noise Control | Sound Isolation (ENC for calls) |
| Microphones | 4 (with CVC algorithm) |
| Battery Life (Earbuds) | Up to 8 hours |
| Total Playtime (with Case) | Up to 45 hours |
| Charging Port | USB-C |
| Control Type | Touch Control |
| Water Resistance Level | IP7 Waterproof |
| Ear Placement | In Ear |
| Item Weight (single earbud) | 3.9g (approx.) |
| Compatible Devices | iOS 9.0+/Android 5.0+ devices, Tablets, Laptops, PCs |
Warranty and Support
Donerton products are designed for reliability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official Donerton website. If you require technical support or have questions not covered in this manual, please contact Donerton customer service through their official channels.
You can find more information and support at the Donerton Store on Amazon.
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