Introduction
Welcome to the EFFEOKKI C80 Smart Band Fitness Tracker user manual. This guide provides detailed instructions on how to set up, operate, maintain, and troubleshoot your new fitness tracker. The C80 Smart Band is designed to help you monitor your health and fitness activities with its advanced features and user-friendly interface.
Video: Overview of the C80 Fitness & Wellness Tracker, showcasing its features and customizable dials.
Key Features
- 1.1-inch AMOLED color display with 126*294 resolution.
- Support for massive original dials and custom dial options.
- Magnetic charging mode for convenient power-up.
- 24-hour automatic monitoring of heart rate, blood pressure, and blood oxygen.
- Integrated home health function.
- Comprehensive information notifications for calls, emails, SMS, and various social media apps (WeChat, WhatsApp, Facebook, Twitter, Line, Skype, Instagram, LinkedIn, VK, Kakao, Messenger).
- Pedometer for daily activity tracking (step count, calories, distance).
- 25 dedicated sports modes including walking, running, climbing, cycling, indoor running, football, basketball, badminton, tennis, fitness, spinning, yoga, dancing, indoor walking, roller skating, and weightlifting.
- Sleep monitoring to track sleep patterns.
- Additional functions: Alarm clock, custom dial, do not disturb mode, wrist light screen, photo control, stopwatch.
- Supported bracelet languages: Chinese, English, Spanish, Traditional Chinese, French, German, Italian, Japanese, Russian, Dutch.
Specifications
| Attribute | Value |
|---|---|
| App Name | Keep Health |
| Compatible System | Android 5.0 or iOS 9.0 and above, supports Bluetooth 4.2 BLE system |
| Display Resolution | 126 * 294 |
| Battery Capacity | 90mAh |
| Working Hours | Up to 7 Days |
| Standby Time | Up to 15 Days |
| Bluetooth Version | BLE 4.2 |
| Bluetooth Range | 8-10M |
| Storage Memory | 512Kb+64Kb+32Mb (RAM+ROM+Flash) |
| Data Storage | 7 Days |
| Waterproof Level | IP67 |
| Charging Method | Magnetic Charging |
| Metrics Measured | Heart Rate Monitor, Blood Oxygen Monitor, Sleep Monitor, Blood Pressure Monitor, Body Temperature Monitor |
| Activity Tracked | Distance Tracker, Steps Tracker, Activity Tracker, Calorie Tracker |
| Band Material | Silica |
| Case Material | Plastic |
| Screen Style | Rectangle/Square-shape |
| Application Age Group | Adult |
| Band Detachable | Yes |
| Touch Screen | Yes |

Image: C80 Smart Band dimensions (1.7cm/0.67inch width, 3.8cm/1.49inch height, 1.1cm/0.43inch thickness, 24cm/9.44inch total length, 14.5-23cm/5.7-9inch strap circumference).
Package Contents
Upon opening your C80 Smart Band package, you should find the following items:
- 1x Smart Bracelet (C80 Smart Band)
- 1x Charging Cable (Magnetic)
- 1x User Manual
Setup Guide
1. Charging the Device
Before initial use, fully charge your C80 Smart Band. Use the provided magnetic charging cable. Align the magnetic end of the cable with the charging contacts on the back of the smart band. Connect the USB end to a standard USB power adapter (not included) or a computer USB port. The screen will indicate charging status. A full charge typically provides up to 7 days of working time or 15 days of standby time.

Image: Magnetic charging for the C80 Smart Band, illustrating its 14-day long endurance.
2. App Installation and Pairing
- Download the App: Search for "Keep Health" in your smartphone's app store (Google Play Store for Android or Apple App Store for iOS) and install it.
- Create Account: Open the "Keep Health" app and follow the on-screen instructions to create a new user account or log in if you already have one.
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Pair the Device: In the "Keep Health" app, navigate to the device pairing section. The app will search for nearby devices. Select "C80 Smart Band" from the list of available devices to initiate pairing.
- Confirm Pairing: Follow any prompts on both your smartphone and the smart band to confirm the pairing. Once successfully paired, the smart band will synchronize data with the app.
The C80 Smart Band is compatible with Android 5.0 or iOS 9.0 and above, supporting Bluetooth 4.2 BLE system.
Operating Instructions
Basic Navigation
The C80 Smart Band features a touch screen for easy navigation. Swipe up, down, left, or right to access different functions and menus. Tap to select an option or confirm an action.

Image: Large 1.1-inch AMOLED color display of the C80 Smart Band, offering a clear and intuitive data display.
Activity Tracking
The smart band automatically tracks your daily activities:
- Pedometer: Records your step count, calories burned, and distance traveled.
- Sports Modes: Select from 25 different sports modes (e.g., walking, running, cycling, swimming) to get more accurate data for specific activities. To start a sports mode, navigate to the 'Sports' menu on the band and select your desired activity.

Image: The C80 Smart Band supports 25 professional sports modes to help track your workouts.
Health Monitoring
The C80 Smart Band provides continuous health monitoring:
- Heart Rate: Monitors your heart rate 24/7. View real-time data on the band or detailed graphs in the "Keep Health" app.
- Blood Oxygen: Measures your blood oxygen saturation levels.
- Blood Pressure: Provides blood pressure readings.
- Sleep Monitoring: Tracks your sleep patterns, including deep sleep, light sleep, and awake times.
- Body Temperature: Monitors your body temperature.

Image: 24x7 heart rate monitoring on the C80 Smart Band, helping you keep an eye on your heart health.

Image: Blood oxygen saturation detection on the C80 Smart Band, accurately controlling your body state.
Notifications and Other Functions
- Message Reminders: Receive alerts for incoming calls, SMS, emails, and social media notifications directly on your wrist. Configure which app notifications you want to receive through the "Keep Health" app.
- Alarm Clock: Set alarms via the app to vibrate on your wrist.
- Custom Dial: Personalize your watch face with various pre-installed dials or upload your own photos through the app.
- Do Not Disturb Mode: Activate this mode to silence notifications during specific times.
- Wrist Light Screen: The screen automatically lights up when you raise your wrist.
- Photo Control: Use the smart band as a remote shutter for your phone's camera.
- Stopwatch: Access a stopwatch function for timing activities.

Image: View information, weather, and data, and listen to music directly from your C80 Smart Band.

Image: Over 100 personalized dial options available for the C80 Smart Band, allowing for comprehensive style changes.
Maintenance
Water Resistance
The C80 Smart Band has an IP67 waterproof rating. This means it is resistant to splashes, rain, and brief immersion in water (up to 1 meter for 30 minutes). It is suitable for daily use and can withstand activities like hand washing, showering, and light rain. However, it is not recommended for swimming, diving, or exposure to hot water/steam.

Image: IP67 Water Resistance ensures the C80 Smart Band can handle rain, sweat, and showers without worry.
Cleaning and Care
- Wipe the device regularly with a soft, damp cloth to remove sweat, dirt, and debris.
- Avoid using harsh chemicals or abrasive cleaners, as these can damage the device.
- Ensure the charging contacts are clean and dry before charging to prevent corrosion.
- If the band gets wet, dry it thoroughly before wearing it again, especially if you have sensitive skin.
Battery Care
- Avoid fully discharging the battery frequently.
- Charge the device when the battery level is low to prolong its lifespan.
- Store the device in a cool, dry place when not in use for extended periods.
Troubleshooting
Device Not Turning On/Charging
- Check Charging Cable: Ensure the magnetic charging cable is securely connected to both the smart band and the power source. Verify that the power source is working.
- Clean Contacts: Clean the charging contacts on the back of the smart band and the magnetic cable with a dry cloth to remove any dust or debris.
- Try Different Power Source: Attempt to charge using a different USB port or power adapter.
Unable to Pair with Smartphone
- Bluetooth On: Confirm that Bluetooth is enabled on your smartphone.
- App Running: Make sure the "Keep Health" app is open and running in the foreground or background.
- Restart Devices: Try restarting both your smartphone and the C80 Smart Band.
- Forget Device: If previously paired, go to your phone's Bluetooth settings and "forget" or "unpair" the C80, then try pairing again through the app.
- Distance: Ensure the smart band is within Bluetooth range (8-10 meters) of your smartphone.
Inaccurate Data Readings
- Proper Fit: Ensure the smart band is worn snugly on your wrist, about one finger's width above your wrist bone. It should not be too tight or too loose.
- Clean Sensors: Clean the optical sensors on the back of the band.
- App Sync: Regularly sync your data with the "Keep Health" app to ensure the latest algorithms and calibrations are applied.
Notifications Not Appearing
- App Permissions: Check that the "Keep Health" app has all necessary permissions enabled in your phone's settings (e.g., notification access, background activity).
- App Settings: Within the "Keep Health" app, verify that notifications for specific apps are enabled.
- Bluetooth Connection: Ensure the smart band is connected to your phone via Bluetooth.
- Do Not Disturb Mode: Check if "Do Not Disturb" mode is active on either your phone or the smart band.
No Call Functionality (Only Call Reminder)
The C80 Smart Band provides a 'Call Reminder' function, meaning it will alert you to incoming calls. It does not support making or receiving calls directly through the device itself via Bluetooth. For call management, you will need to use your connected smartphone.
User Tips
- Regular Syncing: Sync your smart band with the "Keep Health" app daily to ensure all your health and activity data is saved and analyzed. This also helps keep the device's firmware up to date.
- Explore Dials: Take advantage of the 100+ personalized dial options or create your own custom dials using photos to match your style or mood.
- Optimize Battery Life: If you need to extend battery life, consider reducing the frequency of continuous heart rate monitoring or disabling unnecessary notifications.
- Wear Comfortably: For accurate health monitoring, wear the band snugly but comfortably. Avoid wearing it too tightly, which can restrict blood flow, or too loosely, which can lead to inaccurate readings.
- Stay Hydrated: Utilize the drinking reminder feature to help maintain proper hydration throughout the day.
Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific warranty terms and contact information.