1. Introduction
Welcome to the user manual for your SKMEI S231 Sport Smartwatch. This device is designed to support an active lifestyle, offering a range of features for fitness tracking, health monitoring, and smart connectivity. Please read this manual carefully to ensure proper use and to maximize your experience with the smartwatch.

Image: The SKMEI S231 Sport Smartwatch with a blue band, showcasing its robust design and digital display.
2. Setup
2.1. Unboxing and Initial Inspection
Upon opening the package, ensure all components are present:
- SKMEI S231 Sport Smartwatch
- Charging Cable
- User Manual (this document)
- Watch Band (pre-attached or separate)
Inspect the smartwatch for any visible damage. If any items are missing or damaged, contact customer support.
2.2. Charging the Smartwatch
Before first use, fully charge your smartwatch. The device features a 700 mAh Lithium Ion battery. A full charge typically takes approximately 120 minutes.
- Connect the charging cable to the charging port on the back of the smartwatch.
- Connect the other end of the charging cable to a USB power adapter (not included) or a computer's USB port.
- The screen will indicate charging status.
- Once fully charged, disconnect the cable.

Image: The SKMEI S231 Smartwatch displaying battery information, indicating its 700mAh capacity and estimated usage times.
2.3. Powering On/Off
- To power on: Press and hold the "POWER" button (usually on the side) until the screen lights up.
- To power off: Press and hold the "POWER" button, then select "Power Off" on the screen.
2.4. Pairing with Your Smartphone
The SKMEI S231 Smartwatch uses Bluetooth for connectivity and is compatible with Android Wear 4.4 and iOS 8.0 or later. To access all features, you must pair it with your smartphone via the dedicated app (refer to the app store for "SKMEI" or the app mentioned in the watch's interface).
- Ensure your smartwatch is charged and powered on.
- Enable Bluetooth on your smartphone.
- Download and install the companion app from your phone's app store.
- Open the app and follow the on-screen instructions to add a new device.
- Select "SKMEI S231" from the list of available Bluetooth devices.
- Confirm the pairing on both your smartphone and smartwatch if prompted.

Image: The SKMEI S231 Smartwatch displaying an incoming call, illustrating its Bluetooth calling capability.
3. Operation
3.1. Basic Navigation
The smartwatch features a full touch screen dial for intuitive navigation. Swipe left, right, up, or down to access different functions and menus. Tap to select items.

Image: A close-up of the SKMEI S231 Smartwatch's Ultra HD Display, highlighting its vibrant and clear interface.
3.2. Health Monitoring
Your SKMEI S231 Smartwatch provides advanced health monitoring features:
- Heart Rate Monitor: Real-time heart rate tracking throughout the day. Access this feature from the main menu.
- Blood Oxygen Detection: Monitor your blood oxygen levels.
- Blood Pressure Monitoring: Measure your blood pressure directly from your wrist.
- Sleep Tracking: Gain insights into your sleep quality by tracking sleep patterns.
Note: This device is not a medical device. Health data is for reference only and should not be used for medical diagnosis or treatment.
3.3. Sports Tracking Modes
The smartwatch supports over 100 sports modes, including walking, running, cycling, tennis, dance, yoga, football, and more. These modes offer real-time viewing, data analysis, and adaptive motion control to enhance your fitness experience.
- Navigate to the "Sports" or "Workout" menu.
- Select your desired activity.
- Start your workout. The watch will track relevant metrics.
- End your workout to save data.

Image: The SKMEI S231 Smartwatch displaying various sports mode icons, indicating its support for over 100 activities.
3.4. Call and Message Alerts
Stay connected with Bluetooth calling and receive message notifications directly on your wrist.
- Bluetooth Calling: Once paired, you can make and receive calls directly from the smartwatch.
- Message Notifications: Receive alerts for incoming messages and app notifications. Ensure app permissions are granted on your smartphone.
3.5. Additional Features
The SKMEI S231 includes several utility features:
- World Time: View time in different global zones.
- Stopwatch: For timing activities.
- Alarms: Set up to 5 alarms.
- Countdown Timer: A convenient timer function.
- LED Light: For illumination.
- 12/24 Hour Format: Customize time display.
- Week/Date Display: Always know the current day and date.

Image: An overview of the SKMEI S231 Smartwatch's additional functionalities, including world time, stopwatch, alarms, and water resistance.
4. Maintenance
4.1. Water Resistance
The SKMEI S231 Smartwatch is IP68 rated, meaning it is resistant to dust, splashes, and submersion. It is suitable for various outdoor activities and can withstand water immersion up to 164 feet (50 meters).
Important: While water-resistant, avoid prolonged exposure to hot water, steam, or high-pressure water jets, as this may compromise the seals. Do not operate buttons underwater.

Image: The SKMEI S231 Smartwatch submerged in water, demonstrating its waterproof capability.
4.2. Cleaning and Care
- Wipe the watch regularly with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive materials.
- Keep the charging contacts clean and dry.
- Store the watch in a cool, dry place when not in use.
The TPU rubber band features a groove design for enhanced breathability and comfort. Clean it regularly to prevent skin irritation.

Image: A close-up of the SKMEI S231 Smartwatch's TPU wrist band, highlighting its textured, breathable design.
5. Troubleshooting
5.1. Watch Not Powering On
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Press and hold the power button for 10-15 seconds to attempt a forced restart.
5.2. Bluetooth Connectivity Issues
- Ensure Bluetooth is enabled on both the watch and your smartphone.
- Make sure the watch is within the Bluetooth range of your phone.
- Restart both the watch and your phone.
- Forget the device in your phone's Bluetooth settings and re-pair it through the companion app.
- Verify that the companion app has all necessary permissions on your phone.
5.3. Incorrect Time/Date
- The time and date should synchronize automatically once the watch is successfully paired with your smartphone via the companion app.
- Check your phone's time and date settings to ensure they are correct.
- If issues persist, try unpairing and re-pairing the device.
5.4. Inaccurate Health Data
- Ensure the watch is worn snugly on your wrist, about one finger's width above the wrist bone.
- Keep the sensor on the back of the watch clean and free from debris.
- Movement during measurement can affect accuracy. Remain still when taking readings.
6. Specifications
| Feature | Detail |
|---|---|
| Model | S231 |
| Brand | SKMEI |
| Display Type | 1.32-inch Full Touch Screen LCD TFT |
| Resolution | 360 x 360 pixels |
| Battery Capacity | 700 mAh Lithium Ion |
| Battery Average Life | 50 Hours (continuous use), 10-14 Days (typical use), 50 Days (standby) |
| Charging Time | Approximately 120 minutes |
| Connectivity | Bluetooth |
| Operating System | Android Wear 4.4, iOS 8.0 and above |
| Water Resistance | IP68 (up to 164 feet / 50 meters) |
| Special Features | Heart Rate Monitor, Blood Pressure, Blood Oxygen, Sleep Tracking, Bluetooth Calling, Message Notifications, 100+ Sports Modes, Stopwatch, Alarms, Countdown, World Time, LED Light |
| Dimensions (LxWxH) | 25 x 5.6 x 2.15 cm |
| Item Weight | 83 g |
| Case Material | Zinc Alloy Frame, ABS Case |
| Band Material | TPU Rubber |
7. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official SKMEI website. Keep your purchase receipt as proof of purchase for warranty claims.
8. Product Videos
SKMEI S231 Smartwatch Overview
Video: A comprehensive overview of the SKMEI S231 Smartwatch, demonstrating its various features, user interface navigation, and water resistance capabilities.





