1. Introduction
This manual provides essential information for the safe and efficient operation of your TK17 Smart Watch. Please read it thoroughly before using the device.
2. Key Features
- 1.09-inch full-color full-view TFT display (240*240 resolution)
- Capacitive full touch screen
- Bluetooth 5.0 connectivity
- 220mAh polymer lithium-ion battery
- IP68 dustproof and waterproof rating
- Pedometer, Mileage, Calorie tracking
- Sleep monitoring, Alarm, Stopwatch, Timer
- Sedentary Reminder
- Remote Photo control, Music Control
- Breathing Exercise, Weather display
- Dynamic Heart Rate monitoring
- Blood Oxygen (SpO2) and Blood Pressure (BP) measurement
- 123 sports modes (walking, running, cycling, badminton, basketball, rope skipping, soccer, swimming, etc.)
- Incoming call rejection and nuisance call reminder
- 5 fixed dial selections
- Built-in 4 casual games
3. Setup Guide
3.1. Unboxing and Initial Inspection
Carefully remove all components from the packaging. Ensure the following items are present:
- TK17 Smart Watch
- Charging Cable
- User Manual (this document)
Inspect the watch for any visible damage. If any components are missing or damaged, contact customer support.
3.2. Charging the Device
Before first use, fully charge your TK17 Smart Watch.
- Connect the charging cable to the charging base of the watch. The charging base requires DC5V - 150mA input.
- Connect the other end of the charging cable to a USB power adapter (not included) or a computer's USB port.
- The watch display will indicate charging status. A full charge typically takes approximately 2 hours.

3.3. App Installation and Pairing
To unlock the full potential of your TK17 Smart Watch, download and install the companion app "DaFit" on your smartphone.
- Download DaFit App: Search for "DaFit" in your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Install App: Follow the on-screen instructions to install the app.
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open DaFit App: Launch the DaFit app and follow the prompts to create an account or log in.
- Pair Device: In the DaFit app, navigate to the device pairing section. Select "TK17" from the list of available devices.
- Confirm Pairing: Confirm the pairing request on both your smartphone and the smart watch if prompted.
The app supports Android 4.4 and above, and iOS 9.0 and above.
4. Operating Instructions
4.1. Power On/Off
- Power On: Press and hold the power button (located on the side of the watch) until the screen lights up.
- Power Off: Press and hold the power button, then select "Power Off" on the screen.
4.2. Navigating the Interface
The TK17 Smart Watch features a capacitive full touch screen for easy navigation.
- Swipe Up/Down: Scroll through menus and notifications.
- Swipe Left/Right: Access different widgets or quick settings.
- Tap: Select an item or confirm an action.
- Press Side Button: Return to the home screen or activate a specific function (configurable in settings).
4.3. Changing Watch Faces
The watch supports 5 fixed dials. You can switch between them directly on the watch or through the DaFit app.

4.4. Health Monitoring
The watch provides continuous health monitoring features:
- Heart Rate: Monitors dynamic heart rate throughout the day. Access heart rate data via the watch or the DaFit app.
- Blood Oxygen (SpO2): Uses red light and infrared light sensors for SpO2 measurement.
- Blood Pressure (BP): Provides blood pressure readings.
- Sleep Monitoring: Tracks sleep data from 10 PM to 8 AM. Data is continuously saved in the app after phone binding.


4.5. Sports Modes
The watch supports 123 sports modes. To start a workout:
- Navigate to the "Sports" or "Exercise" menu on the watch.
- Select your desired activity (e.g., Walking, Running, Cycling, Swimming, Football, Badminton, Basketball, Skipping).
- Set an open goal if prompted.
- The watch will begin tracking your activity.

4.6. Other Functions
- Pedometer, Mileage, Calorie: Automatically tracks steps, distance, and calories burned. Data is cleared at 24:00 daily and continuously saved in the app.
- Alarm, Stopwatch, Timer: Access these functions from the watch menu.
- Sedentary Reminder: Set reminders to move if you've been inactive for too long.
- Remote Photo: Control your phone's camera remotely from the watch.
- Music Control: Play, pause, skip tracks, and adjust volume for music playing on your connected phone.
- Breathing Exercise: Guided breathing exercises for relaxation.
- Weather: Displays real-time weather information when connected to your phone.
- Call Management: Receive call reminders, reject incoming calls, and get nuisance call alerts.
- Message Notifications: Receive notifications from your mobile apps on the watch.
- Games: Enjoy 4 built-in casual games.


5. Care and Maintenance
5.1. Cleaning
- Wipe the watch screen and body with a soft, lint-free cloth.
- For stubborn stains, dampen the cloth slightly with water. Do not use harsh chemicals or abrasive materials.
- Ensure the charging contacts on the back of the watch are clean and dry before charging.
5.2. Water Resistance
The TK17 Smart Watch has an IP68 dustproof and waterproof rating. This means it is protected against dust ingress and can withstand immersion in water up to 1.5 meters for 30 minutes. It is suitable for daily use, such as washing hands or light rain. However, it is not recommended for hot showers, saunas, or diving, as steam and high water pressure can compromise the seals.

5.3. Battery Care
- Avoid fully discharging the battery frequently.
- Do not expose the watch to extreme temperatures (hot or cold) as this can affect battery life.
- If storing the watch for an extended period, charge it to about 50% and store it in a cool, dry place.
6. Troubleshooting
- Watch not turning on:
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes before attempting to power it on again.
- Watch not connecting to phone (Bluetooth):
- Ensure Bluetooth is enabled on your phone and the watch.
- Make sure the watch is within Bluetooth range of your phone.
- Restart both your phone and the watch.
- Try unpairing and re-pairing the device through the DaFit app.
- Check if the DaFit app has necessary permissions on your phone.
- Inaccurate health data (Heart Rate, SpO2, BP):
- Ensure the watch is worn snugly on your wrist, not too tight or too loose.
- Keep your wrist still during measurements.
- Clean the sensors on the back of the watch.
- Note that these measurements are for reference only and not for medical diagnosis.
- Notifications not appearing:
- Check the notification settings within the DaFit app to ensure app notifications are enabled for the desired applications.
- Ensure your phone's notification settings allow the DaFit app to display notifications.
- Verify that the watch is connected to your phone via Bluetooth.
- Short battery life:
- Reduce screen brightness.
- Disable unnecessary features or frequent health monitoring if not needed constantly.
- Ensure the watch is fully charged.
- Frequent use of features like continuous heart rate monitoring, GPS (if available and used via phone), and games can drain the battery faster.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | TK17 |
| Brand Name | cheche |
| CPU | RTL8762DK |
| Memory | RAM190KB+ROM256KB+ Flash 128Mb |
| Display | 1.09inch IPS TFT, Resolution: 240*240 |
| Touch Screen | G+F capacitive full touch screen |
| Bluetooth | BT5.0 |
| Heart Rate Sensor | Yes |
| Battery | 220mAh polymer lithium ion battery; pure cobalt, Seiko protection board. |
| Duration of Endurance | Bluetooth connection Standby: about 15 days; Normal use: about 5~7 days. |
| G-sensor | Triaxial G-sensor (Yes) |
| Motor | Yes |
| Mic | Yes |
| Speaker | Yes |
| Buttons | Power button & function button |
| Water Resistance Depth | 5Bar (IP68) |
| Case Material | Plastic (TR90 material case) |
| Band Material Type | Silicone |
| Band Length | 18cm |
| Clasp Type | Hook Buckle |
| Dial Window Material Type | Hardlex |
| Case Shape | Round |
| Display Type | Analog-Digital |
| Movement | Digital |
| Style | SPORT |
| Certification | CE, RoHS |
| Origin | Mainland China |
| Item Type | Digital Wristwatches |
| Battery Included | Yes |
| High-concerned chemical | None |

8. Warranty and Support
For warranty information and customer support, please refer to the seller's policies or contact the FIDI Watches Store directly. Keep your proof of purchase for any warranty claims.
9. User Tips
- For optimal performance and accurate health tracking, ensure the watch firmware and DaFit app are always updated to the latest versions.
- When measuring heart rate, blood oxygen, or blood pressure, remain still and ensure the watch is securely fitted on your wrist.
- Explore the various watch faces and customize them through the DaFit app to personalize your experience.
- Utilize the 123 sports modes to accurately track your diverse physical activities.
- Remember that health monitoring data is for reference and not a substitute for professional medical advice.





