Introduction
Thank you for choosing the Leadoys C30 Smart Watch Ultra. This manual provides essential information for setting up, operating, and maintaining your new smartwatch. Please read it carefully to ensure optimal performance and longevity of your device.

Image: Leadoys C30 Smart Watch Ultra, showcasing its display with weather information and included charging cables.
Specifications
| Feature | Detail |
|---|---|
| Brand Name | LEADOYS |
| Model | C30 Smart Watch Ultra |
| Display Size | 1.93-inch / 1.95-inch TFT Full Touch Screen |
| Resolution | 240*288 |
| Screen Shape | Square |
| Bluetooth Version | 5.3 |
| Battery Capacity | 300-450mAh |
| Battery Life (Typical Usage) | 5-15 days (up to 25 days standby) |
| Waterproof Grade | 10m (1 ATM) |
| RAM | 128 MB |
| ROM | 128 GB |
| Compatibility | All Compatible |
| Metrics Measured | Heart Rate Monitor, Blood Oxygen Monitor, Sleep Monitor, Blood Pressure Monitor |
| Activity Tracked | Steps Tracker, Calorie Tracker, Activity Tracker |
| Functions | Shock Resistant, Passometer, Fitness Tracker, Sleep Tracker, Message Reminder, Call Reminder, Answer Call, Dial Call, Remote Control, Push Message, Alarm Clock, Calorie Counter, Heart Rate Tracker, Interactive Music, Calendar, Calculators, AI Voice Assistant, SOS Emergency Call |
| Multiple Dials | Yes |
| Languages | English, Russian, Spanish, Polish, Portuguese, Turkish, Italian, French, German, Japanese, Ukrainian, Dutch, Arabic |

Image: The smartwatch's expansive 1.95-inch TFT full touch screen with a resolution of 240*288 pixels.
Package Contents
Upon opening your Leadoys C30 Smart Watch Ultra package, you should find the following items:
- Leadoys C30 Smart Watch Ultra (main unit)
- Charging Cable (magnetic USB charger)
- User Manual (this document)
- Wrist Strap (pre-attached or separate, depending on model)

Image: The Leadoys C30 Smart Watch Ultra and its magnetic charging cables.
Setup Guide
1. Charging the Smart Watch
- Connect the magnetic charging cable to the charging points on the back of the watch.
- Plug the USB end of the cable into a standard USB power adapter (5V/1A recommended) or a computer's USB port.
- The watch screen will indicate charging status. Ensure the watch is fully charged before first use.
2. Installing the Companion App
To unlock all features and synchronize data, download the dedicated companion app on your smartphone. Search for "Leadoys Smart Watch" or scan the QR code provided in the packaging (if available) to download the app from your phone's app store.
3. Pairing with Your Smartphone
- Ensure Bluetooth is enabled on your smartphone.
- Open the companion app and follow the on-screen instructions to add a new device.
- Select "Leadoys C30 Ultra" from the list of available devices.
- Confirm the pairing request on both your phone and the watch.
- Once paired, the watch will synchronize time and other settings with your phone.
Operating Instructions
Basic Navigation
- Touch Screen: Swipe left/right, up/down to navigate through menus and features. Tap to select.
- Side Buttons: The watch features side buttons (e.g., "MENU", "SPORT") for quick access to specific functions or to return to the home screen.

Image: A vibrant watch face showing current time, heart rate, and battery level.
Bluetooth Calling
The Leadoys C30 Smart Watch Ultra supports Bluetooth calling, allowing you to answer or dial calls directly from your wrist when connected to your smartphone.
- Answering Calls: When a call comes in, tap the green phone icon on the watch screen.
- Dialing Calls: Access the dialer or contacts list through the watch menu to initiate a call.
- Sync Contacts: Ensure your contacts are synced via the companion app for easy access.

Image: The smartwatch displaying an incoming call, illustrating its Bluetooth calling capability.
Health Monitoring
Your smartwatch provides comprehensive health insights:
- 24/7 Heart Rate: Real-time tracking with alerts for abnormal rates.
- Blood Oxygen (SpO2): Monitors blood oxygen levels with vibration reminders for low levels.
- Blood Pressure: Provides blood pressure readings.
- Sleep Monitor: Accurately monitors sleep stages (Awake, REM, Light, Deep).
- Stress Monitoring: Helps you stay informed about your well-being.
- Relaxation: Features to enhance sleep quality.
- Cycle Tracking: Helps understand your physiological cycle.

Image: Visual representation of the smartwatch's comprehensive health monitoring features.

Image: The bio-tracking optical sensors on the rear of the watch, responsible for health data collection.
Sports Modes
With over 100 sports modes, the watch tracks various activities. You can set goals, track calories, and monitor performance.
- Accessing Sports Modes: Navigate to the "SPORT" menu or use the dedicated side button.
- Tracking: Select your activity (e.g., Running, Cycling, Walking) to start tracking.
- GoMore Algorithms: Utilizes GoMore algorithms for accurate tracking and detailed performance records.

Image: A user engaging in outdoor activity while the smartwatch displays various sports tracking metrics.

Image: The smartwatch interface showing a selection of popular sports modes.
AI Voice Assistant
Pair with the app to access the AI voice assistant. Execute commands with ease, such as making calls, checking weather, or setting alarms.

Image: The smartwatch and a smartphone illustrating the AI Voice Assistant functionality with example voice commands.
Message Notifications
Stay updated with wrist notifications for important messages. Ensure notification permissions are granted in the companion app.

Image: The smartwatch screen showing multiple message notifications for effortless information management.
SOS Emergency Call
In an emergency, press the designated SOS button (refer to watch diagram for exact location) to initiate an emergency call. Ensure emergency contacts are set up in the companion app.

Image: The smartwatch displaying the SOS Emergency Call icon, indicating its safety feature.
Other Features
The watch includes additional features for daily convenience:
- Weather updates
- Music control
- Stopwatch
- Alarm Clock
- Calendar
- Calculators
- Multiple Dials for customization

Image: The smartwatch interface showcasing a variety of application icons for daily convenience.
Maintenance
- Cleaning: Wipe the watch and strap regularly with a soft, damp cloth. Avoid harsh chemicals.
- Water Resistance: The watch is 1 ATM waterproof (up to 10 meters). It is designed for various activities and can withstand daily waterproofing needs. For water exposure, use the "Draining water" function (shake and tilt the watch) to expel water from speakers and microphone holes quickly. Avoid hot water or steam.
- Charging: Use only the provided charging cable. Do not expose charging contacts to metal objects.
- Storage: Store the watch in a cool, dry place when not in use.
- Battery: To prolong battery life, avoid fully discharging the watch frequently. Charge it when the battery is low.

Image: The smartwatch being used underwater, demonstrating its 1 ATM waterproof capability and the water draining feature.

Image: Battery life infographic, showing typical usage of 15 days and standby of 25 days.
Troubleshooting
- Watch not turning on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Cannot pair with phone:
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the watch is within range of your phone.
- Restart both your phone and the watch.
- Try unpairing and re-pairing the device through the app.
- Inaccurate health data:
- Ensure the watch is worn snugly on your wrist, not too tight or too loose.
- Clean the optical sensors on the back of the watch.
- Avoid excessive movement during measurements.
- Notifications not appearing:
- Check app notification settings on your phone and in the companion app.
- Ensure the watch is connected via Bluetooth.
- Verify that the companion app is running in the background.
- Short battery life:
- Reduce screen brightness.
- Limit continuous heart rate monitoring or frequent GPS usage (if applicable).
- Turn off unnecessary notifications.
- Ensure the watch is not running too many background processes.
User Tips
- Customize Watch Faces: Explore the companion app for a variety of watch faces to personalize your device.
- Regular Sync: Sync your watch with the app regularly to ensure all your health and activity data is backed up and up-to-date.
- Firmware Updates: Check the companion app periodically for firmware updates to get the latest features and improvements.
- Emergency Contacts: Set up your emergency contacts in the app for the SOS feature to be effective.
Warranty and Support
For warranty information and technical support, please refer to the official LEADOYS website or contact their customer service. Keep your purchase receipt as proof of purchase.





