The M99 SIM Smart Watch is a standalone Android smartwatch that can work with a Nano SIM card, allowing calls, mobile data, and app usage directly from the watch without needing a smartphone. Different M99 versions exist, so specifications may vary slightly between sellers.
Key Specifications
| Feature | Details |
|---|---|
| Model | M99 Smart Watch |
| Operating System | Android 10.0 |
| Display | 2.4-inch AMOLED touchscreen |
| Resolution | 720 × 720 pixels |
| RAM | Up to 4GB (some variants offer higher options) |
| Storage | Up to 64GB/128GB depending on version |
| SIM Support | Nano SIM (4G LTE) |
| Connectivity | 4G LTE, Wi-Fi, Bluetooth |
| GPS | GPS, Beidou, AGPS support |
| Camera | 8MP rotating camera (on some models) |
| Battery | Around 2100mAh (Android version) |
| Waterproof | IP67 splash resistant |
| Compatibility | Android and iPhone devices |
| Sensors | Heart Rate, Blood Oxygen (SpO₂), Sleep Monitoring |
Main Features
- 📞 SIM Calling: Make and receive calls directly from the watch.
- 🌐 4G Internet: Browse the web and use mobile data.
- 📱 Android Apps: Supports apps such as WhatsApp, YouTube, Facebook, TikTok, and Google Play Store (depending on version).
- 📍 GPS Navigation: Real-time location tracking and maps.
- ❤️ Health Monitoring: Heart rate, blood oxygen, sleep tracking.
- 🏃 Fitness Tracking: Steps, calories, distance, and sports modes.
- 🎵 Multimedia: Music playback, video viewing, Bluetooth earbuds support.
- 📷 Camera: Built-in camera for photos and video calls on supported apps.
- 🔔 Smart Notifications: Calls, SMS, WhatsApp, and social media alerts.
Battery Life
- Typical usage: 1–3 days
- Standby: up to 5 days depending on usage and network activity.
Pros
✅ Large AMOLED display
✅ Standalone 4G SIM support
✅ Android apps and Play Store support
✅ GPS and Wi-Fi included
✅ Large battery capacity compared to most smartwatches
