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MARS 5 FAQ

1. What is the case size & material of the MARS 5?

Size:
Case diameter: 48mm
Glass size: 36.4mm
Lug-to-Lug Length: 54.2mm
Case thickness: 16.3mm
Strap width: 23mm
Strap length: 265mm
Net weight of watch: ≈53g


Material:
ABS case
TPU strap
FSTN screen

2. What type of watch is the NORTH EDGE MARS 5?

The MARS 5 is an all-round sport watch — multi-mode tracking and smart connection, with 24/7 heart rate and blood oxygen monitoring. Style upgrade: mandatory. Maxed-out skillset, wrist swag loaded. It's built to break limits and break rules, for daily workouts and outdoor adventures.

3. What about the health monitoring?

The MARS 5 is your 24/7 health monitoring expert, with insight into body signals to protect sleep health:
Heart Rate Monitoring — 24-hour automatic heart rate monitoring.
Scientific Sleep Analysis — deep sleep/light sleep/blood oxygen monitoring, with sleep quality score and personalized improvement suggestions.


*The data of this device is for reference only and cannot replace professional medical diagnosis.

4. How does heart rate monitoring work?

Equipped with a built-in professional heart rate monitoring module combined with mainstream AI algorithms, the MARS 5 lets you view your heart rate value in real time. It supports 24-hour heart rate monitoring with precise measurement and data analysis.

*The data of this device is for reference only and cannot replace professional medical diagnosis.

5. What about blood oxygen (SpO₂) monitoring?

The MARS 5 features blood oxygen testing with the normal blood oxygen range of 95%–100% (fluctuating according to the person's health and exercise intensity). High altitude blood oxygen guardian covers both high altitude travel and nighttime sleep scenarios.

*The data of this device is for reference only and cannot replace professional medical diagnosis.

6. What about sleep monitoring?

The MARS 5 provides scientific sleep analysis — deep sleep, light sleep, and blood oxygen monitoring during sleep — with a sleep quality score and personalized improvement suggestions.

*The data of this device is for reference only and cannot replace professional medical diagnosis.

7. Does the MARS 5 track daily activity?

Yes. The MARS 5 features 24-hour activity tracking that precisely tracks steps, calories burned, and distance. Data syncs to your phone when connected to the APP. The watch can store up to 14 days of exercise data.

8. What about the stopwatch?

The MARS 5 stopwatch function has a maximum count of 23 hours, 59 minutes, and 59 seconds, including split timing. Press the STW button to enter stopwatch mode from any display interface.

9. What about the countdown timer?

The countdown timer function has a maximum duration of 23 hours, 59 minutes, and 59 seconds, with easy hours/minutes/seconds adjustment.

10. What about the alarm?

The MARS 5 lets you set alarms directly on the watch (alarms can also be set via the smartphone APP). When the set alarm time is reached, a 10-second vibration alert automatically activates, and the alarm icon flashes.

11. What about time display and calendar?

The MARS 5 shows year, day of the week, month/date, and time (hours, minutes, seconds), in 12/24 hour format. Smartphone time/date/alarm sync automatically synchronizes with your phone, eliminating manual setup.

12. What about the backlight?

MARS 5 is equipped with a powerful luminous function - every time a button is pressed, the backlight will automatically light up, ensuring that information can be read clearly at night.

13. Does the MARS 5 support smart notifications?

Yes. The MARS 5 provides smart notifications with alerts for incoming calls, SMS, QQ, WeChat, Twitter, Facebook, WhatsApp, Skype, and more. When the phone receives a push notification, the corresponding icon on the watch flashes and the watch vibrates.

14. What about music control?

The MARS 5 supports music control from the watch — play/pause and skip tracks. (This feature requires pairing and connecting the watch to your phone via Bluetooth before use.)

15. What about the companion APP?

The MARS 5 works with the SunnyFit APP, available on Android (Google Play) and iOS (Apple App Store). Simply scan the QR code in the manual to download. Device Bluetooth name: YXD1408. System requirements: iOS 8.0+ or Android 6.0+.

16. Is the MARS 5 waterproof?

Yes. The MARS 5 has a water resistance rating of 50M (5 ATM), making it suitable for: Daily hand washing, Swimming, Rain, Daily exposure to water. Always avoid: Hot water, High pressure, Chemicals.


17. What about the battery and charging?

The MARS 5 comes with a magnetic charging cable. When the watch displays a low battery warning, please charge it promptly to avoid data loss caused by power interruption. A full charge takes approximately 2 to 3 hours.


18. What languages are supported?

The APP supports 12 languages: Simplified Chinese, Traditional Chinese, English, Italian, German, French, Russian, Spanish, Portuguese, Turkish, Japanese, Korean.

19. What is included in the package?

The package typically includes:
NORTH EDGE MARS 5 Watch
Charging cable
User Manual
Original Gift Box
Warranty Card (Scan the provided QR code to follow our social media, or visit our official website and click "After-Sales Service" to register your warranty information.)

20. How can I contact NORTH EDGE Customer Support?

Email: info@northedgewatches.com
You can also start a chat by clicking the "CHAT" icon on the (https://northedgewatches.com) website.