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Wearable comparison

Huawei Watch Fit 4 Pro vs Google Fitbit Air

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Huawei Watch Fit 4 Pro

Huawei Watch Fit 4 Pro

  • 1.82 inch screen.
  • 400 mAh battery capacity.
  • Bluetooth 5.2.
  • 5 ATM.
  • Weighs about 30.4 g.
KSh 21,500In Stock
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02
Google Fitbit Air

Google Fitbit Air

  • Screenless tracker.
  • Up to 7 days.
  • Bluetooth 5.0.
  • Water resistant to 50 m.
  • Weighs 12 g.
KSh 21,000In Stock
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2 spaces available

Huawei Watch Fit 5KSh 18,500
Samsung Galaxy Watch FEKSh 19,500
Fitbit Charge 6KSh 20,000
Samsung Galaxy Watch 6KSh 22,500
Samsung Galaxy Watch 7KSh 22,500
Huawei Watch Fit 4KSh 15,500
Huawei Watch GT 5KSh 21,500
2 of 4 products

Our quick verdict

The Huawei Watch Fit 4 Pro, a smartwatch with a 1.82-inch OLED screen, lasts longer between charges (10 days), takes ECG heart-rhythm readings and has a premium titanium build, while the Google Fitbit Air, a screenless tracker you read in the Google Health app, is lighter to wear all day.

Battery life

Huawei Watch Fit 4 Pro
400 mAh battery
Google Fitbit Air
Up to 7 days

Portability

Huawei Watch Fit 4 Pro
About 30.4 g
Google Fitbit Air
12 g

Display

Huawei Watch Fit 4 Pro
1.82-inch OLED display
Google Fitbit Air
Screenless tracker

Connections

Huawei Watch Fit 4 Pro
Bluetooth 5.2
Google Fitbit Air
Bluetooth 5.0

Water resistance

Huawei Watch Fit 4 Pro
5 ATM
Google Fitbit Air
Water resistant to 50 m

Key differences

The main differences to help you choose.

Huawei Watch Fit 4 Pro

  • Longer battery life: up to 10 days (vs 7).
  • Screen on the wrist for the time, notifications and workout stats.
  • ECG heart-rhythm readings.
  • Titanium case and plastic back (vs plastic case).
  • Rated for free diving to 40 m.

Google Fitbit Air

  • Lighter: 12 g (vs about 30.4 g).
  • Screenless: worn day and night, with results read in the Google Health app.
  • Slimmer: 8.3 mm thick (vs 9.3 mm).
  • Lower price: KSh 21,000 (vs KSh 21,500).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityHuawei Watch Fit 4 ProGoogle Fitbit Air
Battery life400 mAh batteryUp to 7 days
PortabilityAbout 30.4 g12 g
Display1.82-inch OLED displayScreenless tracker
ConnectionsBluetooth 5.2Bluetooth 5.0
Water resistance5 ATMWater resistant to 50 m
SensorsAccelerometer sensor, gyroscope sensorOptical heart-rate sensor, red and infrared SpO₂ sensors

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationHuawei Watch Fit 4 ProGoogle Fitbit Air
Display1.82 inch AMOLEDScreenless tracker
Screen resolution480 × 408 pixels, PPI 347Not applicable
Display protectionSapphire glass—
Display features3000 nits (peak)—

Connectivity

Connectivity specifications comparison
SpecificationHuawei Watch Fit 4 ProGoogle Fitbit Air
Network / cellularNo cellular connectivity—
SIM / eSIMNo—
Wi-FiNo—
Bluetooth2.4 GHz, supports BT5.2 and BR + BLEBluetooth LE
NFCSupported—
Positioning / GNSSL1: GPS + GLONASS + GALILEO + BDS + QZSS; L5: GPS + GALILEO + BDS +QZSS—

Identity & design

Identity & design specifications comparison
SpecificationHuawei Watch Fit 4 ProGoogle Fitbit Air
BrandHuaweiFitbit
ModelHuawei Watch Fit 4 ProGoogle Fitbit Air
Announced2025, May 15—
Dimensions44.5 × 40.0 × 9.3 mm34.9 × 17 × 8.3 mm without band
WeightApproximately 30.4 g (without the strap)5.2 g without band; 12 g with band
Build materialsGlass front (Sapphire Glass), titanium alloy bezel, aluminum mid-frame, polymer fiber backRecycled polycarbonate; PBT plastic
Wrist size130-210 mmTextile: 130–210 mm; silicone small: 130–175 mm; silicone large: 165–210 mm
Strap / bandGreen Nylon Strap; Blue Fluoroelastomer Strap; Black Fluoroelastomer StrapTextile band with stainless-steel buckle; optional silicone bands
Controls / buttonsHome Button (Rotating Crown) and Side ButtonScreenless tracker with vibration feedback and an LED status light; configuration and detailed results are managed in the Google Health app.

Audio & communication

Audio & communication specifications comparison
SpecificationHuawei Watch Fit 4 ProGoogle Fitbit Air
SpeakerSupported—
MicrophoneSupported—
CallingBluetooth calling when paired with a compatible phone—

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationHuawei Watch Fit 4 ProGoogle Fitbit Air
SensorsAccelerometer sensor; Gyroscope sensor; Magnetometer sensor; Optical heart rate sensor; Barometer sensor; Temperature sensor; Ambient light sensor; ECG sensor; Depth sensorOptical heart-rate sensor; red and infrared SpO₂ sensors; temperature sensor; 3-axis accelerometer; gyroscope
Health & wellness featuresHeart rate, blood oxygen, stress, temperature and ECG-related wellness features; regional availability and medical-use limitations applyHeart rate; blood oxygen; skin-temperature variation; activity tracking
Sleep trackingHUAWEI TruSleep sleep trackingSleep stages; sleep score
Sports / workout modesMultiple indoor and outdoor workout modesAutomatic detection for walking, running, cycling, sports, elliptical, rowing machine and stationary bike; manual and app-started workout tracking is also supported.
Training & outdoor featuresRunning, cycling, golf, route and dual-band GNSS outdoor trackingLive heart-rate broadcast to compatible gym equipment, Cardio Load, Active Zone Minutes, phone-connected GPS and post-workout pace and heart-rate zones in Workout Intensity Map.
Diving / depth featuresDepth-sensor-supported aquatic features; follow Huawei limits and safety guidance—

Battery & durability

Battery & durability specifications comparison
SpecificationHuawei Watch Fit 4 ProGoogle Fitbit Air
Battery capacityLi-Ion 400 mAh—
Battery lifeUp to 10 days maximum; 7 days typical use; 4 days with AODUp to 7 days
ChargingWireless chargingUSB-C charging cable
Water resistance5 ATM; IP6X; Dive (Depth up to 40 metres)Water resistant to 50 m

Compatibility

Compatibility specifications comparison
SpecificationHuawei Watch Fit 4 ProGoogle Fitbit Air
Phone compatibilityAndroid 8.0 or later; iOS 13.0 or laterAndroid 11 or later; iOS 16.4 or later; Google Account
Companion appHUAWEI HealthGoogle Health
ColorsGreen, Blue, BlackObsidian; Berry; Lavender; Fog

Additional specifications

Additional specifications specifications comparison
SpecificationHuawei Watch Fit 4 ProGoogle Fitbit Air
Case materialMid-frame: Aluminum alloy; Bezel: Titanium alloy—
Pixels per inch347 ppi—
Peak brightness3000 nits—
Packing listWatch × 1; Charging Cradle (including the charging cable) × 1; Quick Start Guide & Safety Information & Warranty Card × 1Tracker; wristband; USB-C charging cable
Release statusAvailable. Released 2025, May 26—
Model numbersSYA-B29—
Card slotNo—
CameraNo—
3.5 mm headphone jackNo—
USBNo—
RadioNo—
Network speedNo—
Additional hardware featuresPulse wave arrhythmia analysis—
Charging input5V-9V DC/2A—
Operating temperature–20°C to +45°C—
Vibration motor—Vibration motor
Charging time—90 minutes; 5-minute charge for 1 day
Movement sensors—3-axis accelerometer; gyroscope
Bluetooth and Wi-Fi—Bluetooth 5.0; Bluetooth LE sync
strap material—Textile; stainless-steel buckle
temperature monitoring—Skin-temperature variation
offline storage—7 days of minute-by-minute motion data; 30 days of daily totals
Bluetooth—Bluetooth 5.0 BLE; syncing range up to 9 m; synchronization requires an internet connection and phone location permission.
Positioning / GPS—Phone-connected GPS through the Google Health app; Fitbit Air does not have built-in GPS.
Health & wellness features—24/7 heart rate, resting heart rate, heart-rate variability, breathing rate, blood oxygen (SpO2), skin-temperature variation, steps, distance, calories, Active Zone Minutes, Cardio Load and Readiness; Google Health also supports weight, nutrition, water, mood and cycle logging.
Sleep tracking—Sleep Score, sleep schedule, sleep duration and sleep stages; Smart Wake uses sleep movement and heart rate to wake during a lighter sleep stage; adaptive sleep coaching requires Google Health Premium.
Smart features / notifications—Vibration and LED battery/status alerts, optional phone notifications, Fast Pair on Android and multi-device support with a compatible Pixel Watch.
Charging—Magnetic USB-C charging cable; 0–100% in 90 minutes; a 5-minute quick charge provides up to one day of battery life.
Strap / band—Textile and polyurethane band with stainless-steel buckle; silicone small and large bands are also supported.
Colors—Obsidian with Matte Black buckle; Berry with Polished Champagne Gold buckle; Lavender or Fog with Polished Silver buckle; Stephen Curry Rye/Pyrite and Pokémon Sleep Sleepy Blue special editions.

Similarities

  • Both are water resistant to 50 m.
  • Both connect over Bluetooth.
  • Both go up to 210 mm (wrist size).

In summary

For most buyers the Huawei Watch Fit 4 Pro is the better buy; the Google Fitbit Air makes sense if you want a screenless tracker.

Back to compared products ↑

In-stock alternatives

Huawei Watch GT 5For Huawei Watch Fit 4 ProHuawei Watch GT 5View product ↗Xiaomi Watch S4For Huawei Watch Fit 4 ProXiaomi Watch S4View product ↗Amazfit Active 2 Premium RoundFor Google Fitbit AirAmazfit Active 2 Premium RoundView product ↗Huawei Watch Fit 5For Google Fitbit AirHuawei Watch Fit 5View product ↗

Related comparisons

Huawei Watch Fit 4 ProHuawei Watch Fit 5Samsung Galaxy Watch FEHuawei Watch Fit 4 ProFitbit Charge 6Huawei Watch Fit 4 ProSamsung Galaxy Watch 6Huawei Watch Fit 4 ProSamsung Galaxy Watch 7Huawei Watch Fit 4 ProHuawei Watch Fit 4 ProHuawei Watch Fit 4Huawei Watch GT 5Huawei Watch Fit 4 ProSamsung Galaxy Watch 6 ClassicHuawei Watch Fit 4 ProXiaomi Watch S4Huawei Watch Fit 4 Pro

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