Introduction
This manual provides detailed instructions for the operation and maintenance of your LIGE TX3-H Smartwatch. Please read this guide thoroughly to ensure proper use and to maximize the features of your device. The LIGE TX3-H Smartwatch combines advanced technology with a robust design, offering comprehensive health monitoring, extensive sports tracking, and convenient communication features.

Figure 1: LIGE TX3-H Smartwatch with interchangeable straps.
What's in the Box
Upon unboxing your LIGE TX3-H Smartwatch, you will find the following items:
- LIGE TX3-H Smartwatch Unit
- Silicone Watch Strap
- Metal Watch Bracelet
- Magnetic Charging Cable
- Bracelet Adjustment Tool
- Spare Pins for Straps
- Screen Protectors (2 units)
- User Manual

Figure 2: Packaging contents of the LIGE TX3-H Smartwatch.
Video 1: Unboxing the LIGE TX3-H Smartwatch and its accessories.
Setup
1. Charging the Smartwatch
Before initial use, fully charge your smartwatch. Connect the magnetic charging cable to the charging port on the back of the watch and plug the USB-A end into a compatible power adapter. A full charge typically takes approximately 3 hours. The 900mAh battery provides over 60 days of standby time and up to 30 days of high-efficiency use.

Figure 3: Smartwatch charging and battery capacity information.

Figure 4: Battery performance details for the smartwatch.
2. Attaching/Changing Watch Bands
Your smartwatch comes with both a silicone strap and a metal bracelet. Use the provided tools and spare pins to attach or change the bands according to your preference. The metal bracelet can be adjusted for length using the included adjustment tool.
3. App Installation and Pairing
To unlock the full potential of your LIGE TX3-H Smartwatch, download the companion application on your smartphone. The app is compatible with Android and iOS 9.0 and above. Scan the QR code in the user manual or search for the app in your device's app store. Follow the in-app instructions to pair your smartwatch via Bluetooth 5.3 for a fast and stable connection.
Operating Instructions
1. Display and Navigation
The smartwatch features a 1.73" full-touch AMOLED display with 466x466 resolution. Swipe across the screen to navigate through menus and features. The accurate touch technology ensures smooth and natural operation. Buttons on the side provide additional control for power and menu access.

Figure 5: High-definition AMOLED display and watch face customization.

Figure 6: Visual comparison highlighting the clarity of the AMOLED display.
2. Communication Features
- Bluetooth Calls: With the built-in microphone and high-definition speakers, you can make and receive calls directly from your watch. Add contacts and view call logs through the companion app.
- Message Notifications: Receive real-time notifications from various applications such as WhatsApp, Twitter, Facebook, and Instagram.
- AI Voice Assistant: Activate your phone's voice assistant directly from the smartwatch for hands-free control.

Figure 7: Bluetooth call and message notification interface.

Figure 8: Detailed view of Bluetooth call functions on the smartwatch.

Figure 9: Smartwatch receiving notifications from popular messaging platforms.

Figure 10: Using the AI Voice Assistant feature on the smartwatch.
3. Customization
- Watch Faces: Choose from over 200 downloadable dials or customize your watch face with your favorite pictures via the companion app.
- Other Settings: Adjust brightness, set do-not-disturb mode, enable password protection, and activate wrist-lift to brighten screen.

Figure 11: Extensive watch face options and DIY customization.
4. Additional Functions
The smartwatch integrates various practical functions for daily life:
- Compass
- Weather Forecasts
- Alarm Clocks
- Calculators
- Pedometer
- Music Controls
- Photo Controls (remote camera shutter)
- Find Phone
- SOS Emergency Calls

Figure 12: Overview of the smartwatch's multi-functional capabilities.

Figure 13: Outdoor features including compass and barometric pressure.
Health Monitoring
The LIGE TX3-H Smartwatch features an advanced sensor chip for comprehensive health tracking:
- Heart Rate Monitoring: Continuously monitors your heart rate, providing real-time data.
- Sleep Monitoring: Tracks the length and quality of your sleep, differentiating between deep and light sleep. View detailed sleep data in the app to improve sleep habits.
- Blood Oxygen (SpO2) and Stress Monitoring: Provides insights into your blood oxygen levels and stress.
- Reminders: Includes sedentary reminders and drink water reminders to promote healthy habits.
- Physiological Cycle Reminder: Offers reminders for menstrual and cycle days.
Note: Monitoring data is for reference only and cannot be used for medical diagnosis.

Figure 14: Continuous health monitoring for sleep and heart rate.

Figure 15: Detailed 24-hour heart rate tracking.

Figure 16: Sleep quality and duration tracking.
Sports Modes
The LIGE TX3-H Smartwatch offers over 110 sports modes to track your physical activity. It records steps, calories burned, distance, and heart rate zones, providing detailed insights into your workouts.
- Common Modes: Walking, Running, Cycling, Skipping, Badminton, Basketball, Football, Swimming, Climbing, Tennis, Rugby, Golf.
- Gym Modes: Elliptical, Indoor Cycling, Free Training, Rowing Machine.

Figure 17: Tracking various sports activities and metrics.

Figure 18: Comprehensive tracking for over 110 sports modes.

Figure 19: Smartwatch in use during diverse physical activities.
Maintenance
1. Water Resistance
The LIGE TX3-H Smartwatch is 5ATM waterproof, designed to withstand various harsh environments. It is suitable for swimming and other water-related activities. If the watch gets wet, utilize the built-in water draining mode to expel any water from the speaker and microphone.

Figure 20: Smartwatch durability features including 5ATM waterproofing.

Figure 21: Military-grade durability for various conditions.
2. Durability
Constructed with a full metal body and titanium alloy housing, the smartwatch is wear-resistant, shock-resistant, and sand-resistant. The display is also anti-scratch.
Troubleshooting
If you encounter any issues with your LIGE TX3-H Smartwatch, please refer to the following common solutions:
- Connection Issues: Ensure Bluetooth is enabled on your smartphone and the smartwatch is within range. Restart both devices and attempt to re-pair through the Da Fit app.
- Inaccurate Readings: Ensure the watch is worn snugly on your wrist. Clean the sensor on the back of the watch regularly.
- Battery Draining Quickly: Reduce screen brightness, disable unnecessary notifications, and limit continuous heart rate monitoring if not required.
- Screen Unresponsive: Restart the smartwatch by long-pressing the power button.
For further assistance, please contact LIGE customer support.
Specifications
| Feature | Specification |
|---|---|
| Model Number | TX3-H |
| Display Size | 1.73 Inches AMOLED |
| Display Resolution | 466x466 pixels |
| Battery Capacity | 900 Milliamp Hours (Lithium Polymer) |
| Connectivity | Bluetooth 5.3 |
| Memory Storage | 128 MB |
| Operating System | AsteroidOS |
| Water Resistance | 5ATM |
| GPS | No GPS |
| Item Weight | 8.8 ounces |
| Compatible Devices | Android and iOS 9.0+ smartphones |
Warranty and Support
LIGE products are manufactured with high-quality standards. For any issues or inquiries regarding your LIGE TX3-H Smartwatch, please refer to the contact information provided in your product packaging or visit the official LIGE support website. Our customer service team is available to assist you within 24 hours.





