1. Introduction
The HUAKUA S2 is a user-friendly pedometer wristband smart watch designed for simplicity and convenience. It does not require a smartphone connection or a dedicated app, making it easy for users of all ages to operate. Featuring a large 1.47-inch touch screen, it clearly displays time, date, and activity data. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting.

2. Setup
2.1 Charging the Device
Before initial use, fully charge your HUAKUA S2 smart watch. The device uses magnetic charging.
- Align the charging cable's magnetic end with the charging contacts on the back of the watch. The magnets will snap into place.
- A charging icon will appear on the screen to indicate that charging has begun.
- Use a 5V/1A charger and charge for at least 3 hours for a full charge. Avoid prolonged charging once the device is fully charged.
Note: If the watch does not charge, try rotating the charging cable's magnetic end 180 degrees and reattaching it.

2.2 Initial Time and Date Setting
The time and date can be set directly on the watch without needing a smartphone or app connection.
- From the main watch face, swipe left or right to navigate to the settings menu.
- Locate and tap the 'Time Setting' or 'Date Setting' option.
- Adjust the hours, minutes, day, month, and year using the on-screen controls.
- Confirm your settings to save the changes.
3. Operating Instructions
3.1 Display and Watch Faces
The HUAKUA S2 features a 1.47-inch full-touch display. You can customize the watch face to suit your preference.
- Changing Watch Faces: From the main watch face, long-press the screen for approximately 2 seconds. Swipe left or right to browse through the 5 available watch faces. Tap to select your desired watch face.
- Brightness Adjustment: The screen brightness can be adjusted in 4 levels. Navigate to the settings menu and select 'Brightness' to adjust. The display duration can also be set between 5 to 15 seconds (default is 5 seconds).
3.2 Activity Tracking
The watch automatically records your daily activity data, including steps, calories burned, and distance traveled. This helps you monitor your fitness and maintain an active lifestyle.
3.3 Alarm Clock
Set up to 10 alarms to help you stay on schedule. The watch will notify you with continuous vibration.
- Navigate to the 'Alarm' function from the main menu.
- Tap '+' to add a new alarm.
- Set the desired time and repeat days (e.g., every day, weekdays, specific days).
- Confirm to save the alarm.
- To delete an alarm, long-press on the alarm entry and confirm deletion.
3.4 Sleep Tracking
The watch monitors your sleep duration and quality, helping you achieve a healthier lifestyle.
- Wear the watch while sleeping.
- Navigate to the 'Sleep Record' function to view your sleep data.
- You can manually activate/deactivate sleep tracking via the 'Sleep Switch' option.
3.5 Water Reminder
The hydration reminder function helps you remember to drink water regularly throughout the day, promoting better health habits.
3.6 Other Functions
The HUAKUA S2 includes several other useful features:
- Stopwatch: For timing activities.
- Timer: For countdowns.
- Raise-to-Wake: The screen automatically lights up when you raise your wrist.
- Sedentary Reminder: Reminds you to move after periods of inactivity.
- Breathing Training: Guided breathing exercises.
4. Maintenance
4.1 Water Resistance (IP68)
The HUAKUA S2 is IP68 waterproof, meaning it can withstand daily activities such as hand washing, face washing, rain, and sweat during exercise without needing to be removed.
Important Caution: The watch is not suitable for use in sea water, hot springs, or baths (including steam), as water vapor can cause malfunction and damage to the device. Damage caused by exposure to these conditions is not covered under warranty.
4.2 Cleaning
To maintain optimal performance and hygiene, regularly clean your watch:
- Wipe the screen and strap with a soft, dry cloth.
- For the charging contacts, use a soft cloth or an alcohol sheet to gently wipe away any dirt or debris. Ensure the contacts are dry before charging.
5. Troubleshooting
5.1 Device Does Not Power On
If your HUAKUA S2 smart watch does not power on, please follow these steps:
- Clean Contacts: Ensure the charging contacts on the watch and the charging cable are clean and free of any dirt or corrosion. Use a soft cloth or an alcohol wipe.
- Restart: Press and hold the right-side button for 3 seconds to attempt a restart.
- Charge Correctly: Connect the watch to a 5V/1A charger and ensure it charges for at least 3 hours. A low battery might prevent it from powering on immediately.
If the issue persists after following these steps, please contact customer support.
6. Specifications
| Feature | Specification |
|---|---|
| Model | S2 |
| Brand | HUAKUA |
| Display Size | 1.47 inches |
| Display Type | LCD |
| Resolution | 172 x 320 |
| Max Brightness | 300 nits |
| Battery Capacity | 140 mAh |
| Battery Type | Lithium Polymer |
| Average Battery Life | 7 days (typical use) |
| Charging Time | 2 hours |
| Water Resistance | IP68 (up to 1.5 meters) |
| Connectivity | No Bluetooth (direct operation) |
| Band Material | Silicone |
| Product Weight | 29 grams |
| Product Dimensions | 16.3 x 7.5 x 1.7 cm |
| Included Items | Smart Watch body, Charging cable, Instruction manual |
7. Warranty and Support
7.1 Warranty Information
The HUAKUA S2 Smart Watch comes with a one-year warranty from the date of purchase. This warranty covers manufacturing defects and issues arising from normal use.
Please note that damage caused by misuse, accidents, unauthorized repairs, or exposure to conditions explicitly warned against (e.g., sea water, hot springs, steam) is not covered under this warranty.
7.2 Customer Support
If you encounter any problems or have questions regarding your HUAKUA S2 Smart Watch within the warranty period, please contact the seller directly through your Amazon account:
- Go to 'Account Service'.
- Select 'Order History'.
- Find your order for the HUAKUA S2 Smart Watch.
- Click on the 'Seller' name.
- Select 'Ask a Question' to send a message to the seller.