Nothing D399 3 pro BT calling Smart Watch
- 1.43-inch AMOLED display
- Bluetooth calling capability
- 110+ sports modes
- 24/7 health monitoring
Product Pricing
EMI Start From*
SPECIFICATIONS
Display
AMOLED
466x466 pixels
1.43-inch
Up to 600 nits
Networking & Connectivity
5.3
Battery And Power
Magnetic charging cable
Several days (typical usage)
Special Features
IP67 (sweat and rain resistant)
Bluetooth Calling: Built-in speaker and microphone
AI Noise Cancellation: Enhanced call clarity
Notifications: WhatsApp, Messenger, Gmail, etc.
Music Control: Playback and volume control
Camera Control: Remote shutter function
AI Assistant: Voice command support
Heart Rate Monitoring: 24/7 real-time tracking
Blood Oxygen (SpO2): On-demand monitoring
Sleep Tracking: Detailed sleep pattern analysis
Stress Monitoring: With relaxation reminders
Workout Modes: 110+ sports modes
Auto Workout Detection: Yes
Others
Android and iOS devices
Nothing Health app
Custom Watch Faces: Multiple options
Goal Tracking: Step counter, calorie tracking
Sedentary Reminders: Move alert system
Display Protection: Corning Gorilla Glass (assumed)
Physical Specification
Gray
Metal frame with curved edges
Strap: Comfortable silicone
Lightweight design for all-day wear
Technical Info
Nothing
D399
Warranty Information
1 years
DESCRIPTION
Nothing D399 Smart Watch
The Nothing D399 3 Pro BT Calling Smart Watch is a modern, stylish wearable that delivers a seamless blend of innovative features, fitness tracking, and everyday convenience. Featuring a bright and clear AMOLED display, the watch offers excellent visibility and a premium look that complements both casual and professional styles. With built-in Bluetooth calling, a high-quality speaker, and a microphone, users can make and receive calls directly from their wrist, ensuring seamless communication on the go. The smartwatch supports comprehensive health monitoring, including continuous heart rate tracking, blood oxygen (SpO₂) measurement, sleep analysis, and stress monitoring, helping users stay informed about their overall well-being. It also includes multiple sports and fitness modes to track daily activities and workouts accurately. Innovative features such as message and app notifications, music and camera control, customizable watch faces, and AI-powered app integration enhance daily productivity and convenience. Designed for durability and comfort, the Nothing D399 3 Pro offers long battery life and water resistance, making it suitable for all-day wear. Overall, it is a reliable and feature-packed smartwatch ideal for users seeking smart connectivity, health insights, and a clean, minimalist design.
FAQ
Does it have GPS?
Yes, the CMF Watch 3 Pro comes with built-in GPS, making it ideal for outdoor workouts like running, cycling, and hiking.
Is the watch water-resistant?
Yes. It has an IP68 rating, meaning it is resistant to dust and water, suitable for everyday use and light outdoor activities.
Can I customize the watch face?
Absolutely. The watch supports 120+ customizable watch faces, allowing you to personalize the look to match your style.
Is it compatible with non-Nothing smartphones?
Yes. The watch works with any smartphone that supports Bluetooth 5.3, not just Nothing devices.
REVIEWS
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Overall Rating
Smartwatch with Great Features
19 October, 2025
