CMF by NOTHING D398 Watch Pro2

The CMF by NOTHING Watch Pro 2 D398 is a round smartwatch designed for health tracking, fitness, communication, and everyday use. It features a 1.32-inch AMOLED display with a 466 × 466 resolution, 353 PPI, and up to 620 nits brightness with automatic brightness adjustment.

The Watch Pro 2 includes built-in multi-system GPS supporting GPS, GLONASS, Galileo, QZSS, and BeiDou, allowing users to track outdoor activities without relying entirely on a smartphone. It supports 120 sports modes, with automatic recognition for five common activities including outdoor and indoor running, outdoor and indoor walking, and outdoor cycling.

For health and wellness tracking, the watch includes sensors for heart rate and blood oxygen (SpO₂) monitoring, along with an accelerometer and optical tracking sensor. It also provides sleep tracking and other wellness features through the CMF Watch app.

The Watch Pro 2 supports Bluetooth calling through its built-in microphone and speaker, with AI noise reduction for calls. It can manage up to 30 contacts directly from the watch and provides notifications and other connected smartphone functions.

The watch uses a 340mAh battery and provides up to approximately 11 days of typical use, up to 9 days under heavy use, and up to 25 hours of continuous GPS use. It also features IP68 water and dust resistance and supports interchangeable 22mm straps.

Key Features

• 1.32-inch AMOLED display
• 466 × 466 resolution
• 353 PPI
• Up to 620 nits brightness
• Auto-brightness adjustment
• Interchangeable bezel design
• Built-in multi-system GPS
• GPS / GLONASS / Galileo / QZSS / BeiDou
• 120 sports modes
• Automatic workout recognition for 5 activities
• Heart-rate monitoring
• SpO₂ blood oxygen monitoring
• Sleep tracking
• Bluetooth calling with AI noise reduction
• Built-in microphone and speaker
• Support for up to 30 contacts
• Bluetooth 5.3
• Notifications and quick replies
• Camera remote
• Weather, alarm, stopwatch, timer, calculator, and other everyday tools
• IP68 water and dust resistance
• 340mAh battery
• Up to 11 days typical battery life
• Up to 9 days heavy use
• Up to 25 hours continuous GPS use
• Removable 22mm strap

Specifications

Compatibility

The CMF by NOTHING Watch Pro 2 D398 is compatible with smartphones running iOS 13 or later and Android 8.0 or later through the CMF Watch app. It connects to the phone using Bluetooth 5.3 for calls, notifications, synchronization, and other connected functions.

The watch supports Bluetooth calling and can connect to a smartphone for calls and other functions. It does not support direct connection to Bluetooth headphones; music control is performed through the connected smartphone.

The interchangeable 22mm strap allows users to replace the supplied band with other compatible 22mm watch straps.