Introduction
The Cillso T80 Smart Watch is a versatile wearable device designed for both men and women, offering a comprehensive suite of features for communication, fitness tracking, and health monitoring. With its 1.95-inch display and robust IP68 waterproof rating, it is suitable for various daily activities and sports. This manual provides detailed instructions for setting up, operating, and maintaining your smart watch.

Image: Cillso T80 Smart Watch highlighting its main features including IP68 waterproofing, large screen, sport modes, health monitoring, and Bluetooth call functionality.
What's in the Box
- 1 x Smartwatch
- 1 x Charging Cable
- 1 x User Manual (this document)
Product Overview
The Cillso T80 Smart Watch features a rectangular design with a 1.95-inch TFT-LCD transparent glass screen. It is equipped with physical buttons on the side for navigation and interaction.

Overall view of the smart watch with its green band.

Front view of the watch display.

Side view showing the control buttons.
Setup
1. Initial Charging
Before first use, fully charge your Cillso T80 Smart Watch. Connect the provided charging cable to the magnetic charging points on the back of the watch and plug the USB end into a compatible power adapter (not included). A full charge typically takes approximately 1.5 to 2 hours.

Image: Smart watch connected to its magnetic charging cable, illustrating the charging process and battery life.
2. Pairing with Your Smartphone
- Download the official companion app from your smartphone's app store (e.g., Google Play Store for Android, Apple App Store for iOS). The watch display will show a QR code for easy download upon first power-on.
- Ensure Bluetooth is enabled on your smartphone.
- Open the app and follow the on-screen instructions to create an account or log in.
- In the app, search for your Cillso T80 Smart Watch and select it to initiate the pairing process.
- Confirm the pairing request on both your watch and smartphone.
- Once paired, the watch will synchronize data with your phone, and you can customize settings through the app.
The watch is compatible with Android 5.0 or later and iOS 9.0 or later devices, utilizing Bluetooth 4.0 technology for seamless connectivity.
Operating Instructions
Display and Customization
The 1.95-inch HD screen offers a clear and detailed display with a scratch-resistant surface and 4-level adjustable brightness. You can personalize your watch face with over 200 customizable dial styles available through the responsive touchscreen interface.

Image: Detailed view of the watch's 1.95-inch HD screen, emphasizing its high resolution and full-screen design.
Phone Features
The Cillso T80 Smart Watch allows you to stay connected directly from your wrist:
- Bluetooth Calling: Make and receive calls directly from the watch without needing a SIM card, using its Bluetooth calling functionality.
- Notifications: Receive social media notifications and message alerts with vibration directly on your watch. Supported platforms include Facebook, WhatsApp, Instagram, and Twitter.

Image: User demonstrating the answer/make call feature on the smart watch.
Health Monitoring
Equipped with advanced sensors, the T80 watch helps you better understand your physical condition:
- Heart Rate Monitoring: Real-time heart rate tracking.
- Sleep Tracking: Comprehensive sleep pattern tracking, including deep sleep and light sleep analysis.
- Activity Tracking: Keep track of your daily activities with step counting and calorie tracking.

Image: Visual representation of the watch's health monitoring capabilities for heart rate, blood oxygen, and sleep.
Sport Modes and Activity Analysis
Track your fitness journey with over 110 sport modes. The watch measures distance covered and exercise duration for detailed activity analysis, helping you achieve your fitness goals.
Other Functions
The Cillso T80 Smart Watch includes several additional convenient features:
- Music Control: Control music playback on your paired smartphone.
- Calculator: Perform basic calculations directly on your wrist.
- Weather Forecast: Get real-time weather updates.
- Sedentary Reminder: Receive alerts to encourage movement after periods of inactivity.
- Camera Control: Remotely control your smartphone's camera.
- Alarm Clock: Set multiple alarms for daily reminders.

Image: Overview of additional smart watch functions including music control, calculator, weather, sedentary reminders, camera control, and alarm clock.
Battery Information
The Cillso T80 Smart Watch is equipped with a 280 mAh battery, designed for low power consumption to ensure extended usage.
- Battery Capacity: 280 mAh
- Charging Time: Approximately 1.5 to 2 hours
- Normal Usage Time: Up to 5-7 days
- Standby Time: Up to 30 days
- Power Saving Mode: Up to 20 days
Maintenance
The Cillso T80 Smart Watch has an IP68 waterproof rating, meaning it is resistant to dust and can withstand immersion in water up to 1.5 meters for up to 30 minutes. While it is suitable for daily use and light water activities, it is not recommended for diving, hot showers, or prolonged submersion.
- Regularly clean the watch and strap with a soft, dry cloth.
- Avoid exposing the watch to extreme temperatures or harsh chemicals.
- Ensure the charging contacts are clean and dry before charging.
Troubleshooting
If you encounter issues with your Cillso T80 Smart Watch, please refer to the following common solutions:
- 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 is within range.
- Restart both the watch and your phone.
- Clear the Bluetooth cache on your phone (if applicable).
- 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 sensors on the back of the watch.
- Notifications not appearing: Check app permissions on your phone to ensure the companion app has access to notifications. Verify notification settings within the watch's app.
- Screen unresponsive: Restart the watch by pressing and holding the side button. If unresponsive, allow the battery to fully drain and then recharge.
For persistent issues, please contact Cillso customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Number | T80 |
| Screen Size | 1.95 Inches (5 cm diagonal) |
| Display Type | TFT-LCD Transparent Glass |
| Battery Capacity | 280 mAh |
| Connectivity | Bluetooth 4.0 |
| Operating System | Wear OS 2.6 |
| Waterproof Rating | IP68 |
| Compatible Devices | Android 5.0+ / iOS 9.0+ Smartphones |
| Item Weight | 3.52 ounces |
| Package Dimensions | 6.77 x 3.74 x 0.75 inches |
Official Product Video
Video: An overview of the Cillso T80 Smart Watch, demonstrating its features and functionalities.
Warranty and Support
For warranty information and customer support, please refer to the contact details provided with your product packaging or visit the official Cillso website. Keep your purchase receipt for warranty claims.





