Huawei Watch Fit 4 Pro

Design & Build

• Body: Aluminum alloy frame, titanium alloy bezel

• Glass: Sapphire glass

• Dimensions: 44.5 × 40.0 × 9.3 mm

• Weight: ~30.4 g (without strap)

• Wrist size: 130–210 mm

• Water resistance: 5 ATM

• Dust resistance: IP6X

• Diving support: Up to 40 m (EN13319)

Display

• Type: AMOLED

• Size: 1.82 inches

• Resolution: 480 × 408 pixels

• Pixel density: ~347 PPI

• Brightness: Up to 3000 nits

• Always-On Display: Supported

System & Compatibility

• OS: HarmonyOS

• Android support: Android 8.0 and above

• iOS support: iOS 13.0 and above

Connectivity

• Bluetooth: 5.2 (BR + BLE)

• NFC: Yes

• GNSS: GPS (L1 + L5), GLONASS, Galileo, Beidou, QZSS

• Microphone: Yes

• Speaker: Yes

Sensors

• Accelerometer

• Gyroscope

• Magnetometer

• Optical heart rate sensor

• SpO₂ sensor

• ECG sensor

• Temperature sensor

• Barometer

• Ambient light sensor

• Depth sensor

Battery & Charging

• Battery life:

  • Up to 10 days (light use)

  • Up to 7 days (typical use)

  • Up to 4 days (AOD enabled)

• Charging: Magnetic wireless charging

• Fast charging: ~10 minutes for 1 day use

• Full charge: ~60 minutes

Health & Fitness Features

• Heart rate monitoring

• SpO₂ monitoring

• ECG measurement

• Sleep tracking

• Stress monitoring

• Skin temperature tracking

• 100+ workout modes

• Professional running, swimming, diving, and golf modes

• Dual-band GPS workout tracking

Smart Features

• Bluetooth calling

• Music control

• Smart notifications

• Remote camera shutter

• App support via Huawei Health