AVUMDA C26
AVUMDA C26 Smartwatch User Manual
Model: C26
Brand: AVUMDA
1. Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your AVUMDA C26 Smartwatch. Please read this manual thoroughly before using the device to ensure proper function and longevity.

Image 1.1: AVUMDA C26 Smartwatch, front and side view.
2. Safety Information
- Do not attempt to disassemble or modify the device.
- Keep the device away from extreme temperatures and direct sunlight.
- Avoid exposing the device to strong impacts or drops.
- The health monitoring data provided by this device is for reference only and should not be used for medical diagnosis or treatment. Consult a medical professional for health-related concerns.
- Ensure the charging contacts are clean and dry before charging.
3. Package Contents
Verify that all items are present in your package:
- AVUMDA C26 Smartwatch
- Charging Cable
- User Manual (this document)
4. Setup
4.1. Charging the Device
Before first use, fully charge your smartwatch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a standard USB power adapter (5V/1A recommended).
4.2. Powering On/Off
- Power On: Press and hold the 'Power' button (usually the top right button) for a few seconds until the screen lights up.
- Power Off: Press and hold the 'Power' button, then select 'Power Off' on the screen.
4.3. App Installation
To unlock the full functionality of your smartwatch, download and install the companion application on your smartphone. Scan the QR code provided in the quick start guide or search for the app name (refer to the packaging or quick start guide for the exact app name) in the Apple App Store (for iOS) or Google Play Store (for Android).
4.4. Pairing with Smartphone
- Ensure Bluetooth is enabled on your smartphone.
- Open the companion app on your smartphone.
- Follow the in-app instructions to add a new device. The app will search for your AVUMDA C26 Smartwatch.
- Select your smartwatch from the list of discovered devices to initiate pairing.
- Confirm the pairing request on both your smartphone and the smartwatch.
4.5. Strap Installation/Adjustment
The watch strap is designed for easy attachment and removal. Align the pins on the strap with the holes on the watch body and slide them into place. Adjust the strap to a comfortable fit on your wrist, ensuring it is snug enough for accurate sensor readings but not overly tight.
5. Operating the Device
5.1. Navigation
- Touchscreen: Swipe up, down, left, or right to navigate through menus and screens. Tap to select an item.
- Power Button: Short press to return to the watch face or wake the screen. Long press for power options.
- Sport Button: Short press to quickly access sport modes.
5.2. Display Features
The AVUMDA C26 features a 1.96-inch AMOLED HD display with 410x502 pixels resolution. It supports an Always-On Display feature, which can be configured in the watch settings or companion app.

Image 5.1: Close-up of the 1.96-inch AMOLED HD screen.
5.3. Bluetooth Calling and Notifications
Once paired with your smartphone, the smartwatch allows you to make and receive calls directly from your wrist. It also displays notifications from your phone, including SMS, social media alerts (Facebook, WhatsApp, Instagram, Twitter), and other app notifications.
- Making Calls: Access the dial pad or contact list on the watch.
- Receiving Calls: Tap the green icon on the watch screen to answer incoming calls.
- Notifications: Swipe down from the watch face to view recent notifications.

Image 5.2: Bluetooth calling and message notification features.
5.4. Health Monitoring
The AVUMDA C26 Smartwatch is equipped with sensors to monitor various health metrics. Access these features through the watch menu or the companion app.
- Heart Rate (HR): Continuous or on-demand heart rate monitoring.
- Blood Oxygen (SpO2): Measures blood oxygen saturation levels.
- Sleep Tracking: Monitors sleep patterns, including deep sleep, light sleep, and awake times.
- Blood Pressure (BP): Provides estimated blood pressure readings. Note: This device is not a medical device. Data is for reference only and should not be used for medical purposes.

Image 5.3: Overview of health monitoring data including heart rate, SpO2, and blood pressure.
5.5. Activity Tracking and Sport Modes
The smartwatch tracks daily activity metrics such as steps, distance, and calories burned. It also supports over 100 sport modes, allowing you to record specific workout data.
- Access Sport Modes: Press the 'Sport' button or navigate through the menu.
- Start/Stop Workout: Follow on-screen prompts to start, pause, or end a workout.
- Data Review: View workout summaries on the watch or detailed reports in the companion app.

Image 5.4: Display of activity tracking data and various sport mode icons.
5.6. AI Voice Assistant
Utilize the integrated AI voice assistant for hands-free control. Activate the assistant by swiping or tapping the designated icon, then speak your commands for tasks like checking weather, making calls, or setting alarms.

Image 5.5: Examples of AI Voice Assistant commands and responses.
5.7. Music Control
When connected to your smartphone, the smartwatch can control music playback. You can play, pause, skip tracks, and adjust volume directly from your wrist.
5.8. Alarms and Timers
Set alarms and timers through the watch interface or the companion app to manage your schedule and activities.
5.9. Watch Faces
Customize your watch face from a selection of pre-installed options or download more through the companion app. Some watch faces may support customization of displayed information.
6. Maintenance
6.1. Cleaning
Wipe the watch screen and body with a soft, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
6.2. Water Resistance (IP68)
The AVUMDA C26 Smartwatch is IP68 water-resistant, meaning it is protected against dust ingress and can withstand immersion in water up to 1.5 meters for 30 minutes. It is suitable for daily use, such as washing hands or use in rain. However, it is not recommended for hot showers, saunas, diving, or high-pressure water activities, as steam and high water pressure can compromise the seals.

Image 6.1: Depiction of the smartwatch's IP68 water resistance and durability features.
6.3. Battery Care
- Avoid fully discharging the battery frequently.
- Charge the device regularly, even if not in use for extended periods.
- Use only the provided charging cable.
6.4. Software Updates
Periodically check the companion app for available software updates. Updates can improve performance, add new features, and fix bugs. Ensure your watch is sufficiently charged before starting an update.
7. Troubleshooting
- Device not turning on: Ensure the battery is charged. Connect to the charger for at least 10 minutes.
- Cannot pair with smartphone: Make sure Bluetooth is on, the app is open, and the watch is within range. Restart both the watch and phone.
- Inaccurate health readings: Ensure the watch is worn snugly on the wrist, not too loose or too tight. Clean the sensor on the back of the watch.
- Short battery life: Reduce screen brightness, disable unnecessary notifications, limit continuous heart rate monitoring, and turn off Always-On Display if not needed.
- Notifications not received: Check app permissions on your phone to ensure the companion app has access to notifications. Verify Bluetooth connection.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | C26 |
| Display | 1.96-inch AMOLED HD (410x502 pixels) |
| Connectivity | Bluetooth |
| Battery Capacity | 350 mAh (Lithium-polymer) |
| Water Resistance | IP68 |
| Operating System | AsteroidOS |
| Compatible Devices | Android 6.0+ / iOS 12.0+ |
| Special Features | Time Display, Voice Call, Alarm Clock, Custom Activity Tracking, Touch Screen |
9. Warranty and Support
Your AVUMDA C26 Smartwatch is covered by a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact AVUMDA customer service through the contact information provided on the official AVUMDA website or your purchase platform.
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