1. Introduction
The GOLDENSPIKE Q668 Smart Watch is a versatile 4G full Netcom device designed for both social connectivity and active lifestyles. Running on Android 10.0 with a powerful SL8541E quad-core processor, it offers smooth operation and enhanced security. Key features include a vibrant 1.508-inch AMOLED display, dual HD cameras, GPS, Wi-Fi, and a large 1150mAh battery. This manual provides detailed instructions to help you get the most out of your new smartwatch.

Image: Q668 Smart Watch showcasing its main features like AMOLED screen, Android OS, 1150mAh battery, 2GB+16GB/4GB+64GB memory, 8MP rear camera, alarm, step tracking, heart rate, IP68, Nano SIM card, 4G, GPS, and WiFi.
2. Package Contents
Please check the box for the following items:
- Smart Watch x 1
- Watch Bands x 1
- Charging Cable x 1
- Product Manuals x 1
3. Specifications
| Feature | Specification |
|---|---|
| Display | 1.508-inch AMOLED, 466*466 HD Resolution |
| Processor | SL8541E Quad-core 1.4GHz (MediaTek CPU Manufacturer) |
| Operating System | Android 10.0 (Android OS, Android Wear) |
| Memory (RAM+ROM) | 4GB RAM + 32GB/64GB ROM, 8GB RAM + 128GB ROM, 16GB RAM + 256GB ROM, 32GB RAM + 512GB ROM (various configurations available) |
| Network Mode | 4G (supports 2G, 3G, 4G FDD/TDD bands) |
| SIM Card | Yes, Nano SIM Card Available |
| Cameras | Front: 2MP (interpolation), Rear: 8MP (interpolation) |
| Battery Capacity | 1150mAh (>450mAh) |
| Connectivity | GPS, WIFI, Bluetooth 4.2 |
| Waterproof Grade | Life Waterproof (IP68) |
| Metrics Measured | Heart Rate Monitor, Blood Pressure Monitor, Other |
| Activity Tracked | Steps Tracker, Activity Tracker, Other |
| Case Material | Alloy (CNC aviation aluminum) |
| Band Material | Silica Gel |
| Screen Shape | Round |
| Application Age Group | Adult |
| Dimensions | 56.8mm (width) x 14.5mm (thickness) |

Image: Visual representation of product parameters including screen size, CPU, Bluetooth, battery, heart rate sensor, memory, waterproof rating, camera, and system.

Image: Close-up of the watch casing, highlighting its CNC aviation aluminum construction for unparalleled resilience and secure protection.
4. Setup
4.1. Charging the Smart Watch
Before first use, fully charge your Q668 Smart Watch using the provided charging cable. Connect the magnetic end of the cable to the charging contacts on the back of the watch and the USB end to a standard USB power adapter (not included) or a computer USB port. The watch display will indicate charging status.
4.2. Power On/Off
- To Power On: Press and hold the power button (usually on the side of the watch) until the screen lights up.
- To Power Off: Press and hold the power button, then select 'Power Off' from the options on the screen.
4.3. SIM Card Insertion
The Q668 Smart Watch supports an independent Nano SIM card for direct calls and 4G network connectivity.
- Locate the SIM card slot on the side of the watch.
- Carefully open the SIM card tray using the provided tool (if applicable) or your fingernail.
- Insert a Nano SIM card into the tray with the gold contacts facing down and the cut corner aligned correctly.
- Gently push the tray back into the watch until it clicks into place.

Image: The Q668 Smart Watch with its SIM card slot open, demonstrating the independent card insertion capability for convenient phone calls.
Video: A demonstration of inserting a SIM card into the Q668 Smart Watch and making a call, highlighting its independent communication features.
4.4. Connecting to a Mobile Phone (HiSportPro App)
To fully utilize all features and synchronize data, connect your Q668 Smart Watch to your mobile phone using the HiSportPro app.
- Step 1: Ensure Bluetooth is enabled on both your Q668 Smart Watch and your mobile phone.
- Step 2: On your watch, navigate to the app market and download 'Bluetooth Assistant'. On your mobile phone, download the 'HiSportPro' app.
- Step 3: Open 'Bluetooth Assistant' on your watch and enable its Bluetooth service. Then, open the 'HiSportPro' app on your phone and use it to scan the QR code displayed on your watch for binding.
- Step 4: Once bound, information from your mobile phone (e.g., call notifications, messages) will be pushed to your watch, allowing for synchronized reminders.
Note: Some users have reported difficulties with phone connectivity and QR code availability. Ensure both devices have Bluetooth enabled and the apps are updated to their latest versions.
5. Operating Instructions
5.1. Basic Navigation
The Q668 Smart Watch features a full touch screen for intuitive navigation. Swipe left, right, up, or down to access different menus, notifications, and quick settings. Tap to select items and use the physical buttons for 'Back' and 'Mode' functions.
5.2. Making Calls
With an inserted Nano SIM card, you can make and receive calls directly from your watch. Use the dial pad on the watch screen or access your contacts to initiate a call.

Image: The Q668 Smart Watch displaying an incoming call, illustrating its independent communication capability.
5.3. Video Calls & Conferencing
Leverage the watch's 4G network and dual cameras for video calls and conferencing. Ensure you have a stable network connection for optimal performance.
Video: A person engaging in a video call on the Q668 Smart Watch, demonstrating its high-speed network and video conferencing capabilities.
5.4. Taking Photos
The Q668 Smart Watch is equipped with dual HD cameras (8MP Rear, 2MP Front) for capturing photos and videos directly from your wrist.

Image: The Q668 Smart Watch highlighting its 800W (8MP) rear camera and 200W (2MP) front camera for ultra-clear dual camera functionality.
Video: A user taking a high-definition photograph with the Q668 Smart Watch, demonstrating its camera functionality.
5.5. Installing Third-Party Software
The Android 10.0 operating system allows for the free installation of third-party applications, expanding the watch's functionality. Access the app market on your watch to browse and download compatible apps.

Image: The Q668 Smart Watch displaying a variety of third-party applications like Facebook, TikTok, WhatsApp, and YouTube, indicating its capability for unlimited function expansion.
Video: A user navigating through various apps on the Q668 Smart Watch, demonstrating that apps can be installed freely.
5.6. GPS Navigation
The built-in GPS allows for accurate navigation, making it ideal for outdoor activities. Access the navigation app on your watch to plan routes and track your movement.

Image: The Q668 Smart Watch displaying a GPS navigation map, emphasizing accurate navigation for boundless movement.
Video: A user interacting with the GPS navigation feature on the Q668 Smart Watch, demonstrating precise navigation.
5.7. Health Monitoring
The watch can measure various health metrics, including heart rate and blood pressure. Access the dedicated health apps to perform measurements and track your data over time.

Image: The Q668 Smart Watch displaying a heart rate measurement, indicating real-time monitoring for health tracking.
Video: A user performing health measurements, specifically heart rate, on the Q668 Smart Watch.
5.8. Activity Tracking & Sports Modes
The Q668 Smart Watch supports multiple independent exercise modes, including hiking, running, cycling, mountaineering, and swimming. Select the appropriate mode before starting your activity to track steps, calories, distance, and other relevant data.

Image: The Q668 Smart Watch displaying various sports modes such as Run, Walk, and On foot, offering multiple options for users.
Video: A user selecting and engaging with multiple independent exercise modes on the Q668 Smart Watch.
5.9. Other Functions
The Q668 Smart Watch includes a variety of other useful functions:
- Communication: SMS, Phone, Contacts
- Productivity: Calculator, Calendar, E-Mail, Alarm, Stopwatch, Timer, Recording
- Multimedia: Audio, Video, Gallery, Music
- Utilities: Browser, Search, Download, Weather, Application Market, OTA online upgrade, Input Method

Image: The Q668 Smart Watch displaying portable lifestyle functions such as recording, alarm clock, calendar, step counting, timer, and stopwatch.
6. Maintenance
6.1. Water Resistance (IP68)
The Q668 Smart Watch is rated IP68 for life waterproof, meaning it is protected against dust and can withstand immersion in water up to 1.5 meters for up to 30 minutes. It is suitable for daily waterproofing, such as hand washing or light rain. However, it is not recommended for hot showers, saunas, or diving, as steam and high pressure can compromise the seals. Note: Some user feedback suggests caution regarding water resistance; avoid prolonged exposure to water.

Image: The Q668 Smart Watch being splashed with water, illustrating its IP68 water resistance for daily use.
Video: A close-up shot demonstrating the IP68 water resistance of the Q668 Smart Watch.
6.2. Cleaning
Regularly clean your watch and watch band to prevent skin irritation and maintain performance. Use a soft, damp cloth to wipe the screen and casing. For the silicone band, you can use mild soap and water. Ensure the watch is completely dry before charging or prolonged use.
6.3. Battery Care
The Q668 Smart Watch is equipped with a 1150mAh large-capacity battery. To maximize battery life:
- Avoid extreme temperatures.
- Charge the watch before the battery is completely depleted.
- Avoid overcharging for extended periods.
- Adjust screen brightness and disable unnecessary features (e.g., Wi-Fi, GPS) when not in use.

Image: The Q668 Smart Watch highlighting its 1150mAh high-capacity battery, ensuring worry-free battery life for sports watches.
7. Troubleshooting
7.1. Watch Not Turning 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 perform a forced restart.
7.2. Poor Battery Life
- Reduce screen brightness.
- Disable Wi-Fi, GPS, or Bluetooth when not in use.
- Close background applications.
- Check for system updates, as these often include battery optimizations.
7.3. Connectivity Issues (SIM Card/Bluetooth/Wi-Fi)
- SIM Card: Ensure the Nano SIM card is correctly inserted and your network provider supports the watch's frequency bands (2G: B2+B3+B8+B5; 3G: B1+B2+B5+B8; 4G_FDD: B1+B2+B3+B4+B5+B7+B8+B12+B17+B20+B28+B66; 4G_TDD: B34+B38+B39+B40+B41).
- Bluetooth: Ensure Bluetooth is enabled on both devices and they are within range. Try unpairing and re-pairing the devices.
- Wi-Fi: Check if the Wi-Fi network is active and you have entered the correct password.
- App Connection: If experiencing issues with the HiSportPro app, ensure both the app and the watch's Bluetooth Assistant are updated. Try restarting both devices.
7.4. Apps Not Installing/Running Smoothly
- Check available storage space on the watch.
- Ensure a stable internet connection for downloads.
- Some apps may not be fully optimized for smartwatch screens or the Android 10.0 version on the watch.
8. User Tips
- Network Compatibility: Before purchasing a SIM card, verify that your local network provider's frequency bands are compatible with the Q668 Smart Watch to ensure full 4G functionality.
- App Connectivity: While the watch supports phone connection via the HiSportPro app, some users have noted challenges. Ensure both your phone and watch's Bluetooth are active, and try restarting both devices if connection issues persist.
- Battery Management: To extend the 1150mAh battery life, consider adjusting screen brightness, disabling unused features like Wi-Fi or GPS, and closing background applications.
- Water Exposure: Although rated IP68, it's advisable to minimize prolonged water exposure and avoid hot water or high-pressure environments to maintain the watch's integrity.
9. Warranty and Support
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. Technical support may be available through the manufacturer's official channels.