The Nothing Watch 3 Pro is a premium smartwatch featuring a 1.43-inch AMOLED display, Bluetooth calling, and 110+ sports modes. With 24/7 health monitoring, AI noise cancellation, and a long-lasting battery, it combines style, functionality, and durability for everyday use and fitness enthusiasts.
Key Features
1.43-inch AMOLED display with Always-On Display support
Bluetooth calling with built-in speaker and microphone
110+ sports modes with auto workout detection
24/7 heart rate and SpO₂ monitoring
Sleep and stress tracking with relaxation reminders
AI noise cancellation for clear calls
Music and camera control
Voice assistant support
IP67 water resistance for sweat and rain
Premium metal design with comfortable silicone strap
Fast magnetic charging
1 Year Official Warranty
Specifications
| Category | Details |
|---|---|
| Brand | Nothing |
| Model | Watch 3 Pro (D399) |
| Display Type | AMOLED |
| Display Size | 1.43 inches |
| Resolution | 466 × 466 pixels |
| Brightness | Up to 600 nits |
| Always-On Display | Supported |
| Build | Metal frame with curved edges |
| Strap Material | Silicone (multiple color options) |
| Water Resistance | IP67 (sweat and rain resistant) |
| Heart Rate Monitoring | 24/7 real-time |
| Blood Oxygen (SpO₂) | On-demand |
| Sleep Tracking | Detailed sleep analysis |
| Stress Monitoring | With relaxation reminders |
| Sports Modes | 110+ |
| Auto Workout Detection | Yes |
| Bluetooth Version | 5.3 (assumed) |
| Bluetooth Calling | Built-in speaker and microphone |
| Music Control | Playback and volume control |
| Camera Control | Remote shutter function |
| Voice Assistant | Supported |
| Battery Life | Several days (typical usage) |
| Charging | Fast charging via magnetic cable |
| App Support | Nothing Health app |
| Compatibility | Android & iOS |
Detailed Description
The Nothing Watch 3 Pro is designed for users who want a premium smartwatch experience. Its 1.43-inch AMOLED display delivers sharp visuals and bright colors, while the Always-On Display ensures key information is visible at a glance.
Stay active and healthy with 110+ sports modes, 24/7 heart rate, and SpO₂ monitoring, along with detailed sleep and stress tracking. The watch automatically detects workouts and provides real-time insights.
Bluetooth calling and AI noise cancellation make calls crystal clear, while built-in features like music control, camera shutter, and voice assistant support make everyday tasks easier.
The metal frame and curved design give the watch a premium look, while the lightweight silicone strap ensures comfort for all-day wear. With IP67 water resistance and fast magnetic charging, it is suitable for daily life and workouts.
Pros
Stylish metal and AMOLED design
Bluetooth calling with AI noise cancellation
Long battery life for several days
Extensive health and fitness tracking
IP67 water-resistant
Cons
Limited app ecosystem compared to full-featured smartwatches
No GPS support
Verdict
The Nothing Watch 3 Pro is a stylish, functional, and durable smartwatch suitable for fitness enthusiasts and everyday users. It combines premium design, health monitoring, and Bluetooth calling in one compact device.




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