$229 - $249

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Size and Weight
Dimensions41.9 x 41.9 x 11.7mm Height does not include the optical heart rate sensor43.0 x 42.8 x 12.8mm50.3 x 50.3 x 15.7mm
Weight39g With Silicone Band53g With Silicone Band89g With Silicone Band
30g With Nylon Band42g With Nylon Band72g With Nylon Band
Display
Display Size1.2 Inch1.2 Inch1.4 Inch
Display Resolution240 x 240 64 colors240 x 240 64 colors280 x 280 64 colors
Display TypeTouch Screen Always-On Memory LCDTouch Screen Always-On Memory LCDTouch Screen Always-On Memory LCD
Materials
Screen MaterialMineral GlassSapphire GlassSapphire Glass
Bezel MaterialFibre Reinforced PolymerGrade 5 Titanium Alloy With PVD CoatingGrade 5 Titanium Alloy With PVD Coating
Cover MaterialFibre Reinforced PolymerTitanium AlloyTitanium Alloy With PVD Coating
Band MaterialSilicone / NylonSilicone / NylonSilicone / Nylon
Watch Band
Width22mm20mm26mm
Installation TypeQuick ReleaseQuick ReleaseQuick Fit
Design
Buttons & DialsDigital DialDigital DialDigital Dial Increased Size & Enhanced Durability
Back ButtonBack ButtonBack Button
Dedicated Backlight ButtonDedicated Backlight Button
Connectivity
PhoneBluetoothBluetoothBluetooth
AccessoriesBluetoothBluetoothBluetooth
Data SyncWi-Fi / COROS AppWi-Fi / COROS AppWi-Fi / COROS App
Durability
Water Resistance5 ATM Suitable for surface water activities and not for diving5 ATM Suitable for surface water activities and not for diving10 ATM Suitable for surface water activities and not for diving
Working Temperature-4°F to 122°F (-20°C to 50°C)-4°F to 122°F (-20°C to 50°C)-22°F to 122°F (-30°C to 50°C)
Storage Temperature-4°F to 140°F (-20°C to 60°C)-4°F to 140°F (-20°C to 60°C)-22°F to 140°F (-30°C to 60°C)
Battery
Standard Full GPS (GPS/QZSS)38 Hours Connects to GPS and QZSS40 Hours Connects to GPS and QZSS127 Hours Connects to GPS and QZSS
10 Hours (With Music) Connects to GPS and QZSS with offline music10 Hours (With Music) Connects to GPS and QZSS with offline music32 Hours (With Music) Connects to GPS and QZSS with offline music
All Systems On (GPS, GLONASS, Galileo, Beidou, QZSS)25 Hours Connects to 5 satellite systems at the same time25 Hours Connects to 5 satellite systems at the same time89 Hours Connects to 5 satellite systems at the same time
9 Hours (With Music) Connects to 5 satellite systems at the same time with offline music9 Hours (With Music) Connects to 5 satellite systems at the same time with offline music29 Hours (With Music) Connects to 5 satellite systems at the same time with offline music
Dual Frequency (GPS, GLONASS, Galileo, Beidou, QZSS)15 Hours Connects to 5 satellite systems at the same time in dual frequency49 Hours Connects to 5 satellite systems at the same time in dual frequency
7 Hours (With Music) Connects to 5 satellite systems at the same time in dual frequency with offline music23 Hours (With Music) Connects to 5 satellite systems at the same time in dual frequency with offline music
Daily Use17 Days With daily and sleep tracking14 Days With daily and sleep tracking43 Days With daily and sleep tracking
15 Days (With Daily Stress) Monitors your stress level throughout the day13 Days (With Daily Stress) Monitors your stress level throughout the day39 Days (With Daily Stress) Monitors your stress level throughout the day
Charging TimeLess Than 2 HoursLess Than 2 HoursLess Than 2 Hours
Memory
Internal Memory4GB8GB32GB
Activity Memory500 Hours Estimates based on outdoor activities500 Hours Estimates based on outdoor activities500 Hours Estimates based on outdoor activities
Geo Location
Satellite SystemsGPS, GLONASS, Galileo, Beidou, QZSSGPS, GLONASS, Galileo, Beidou, QZSSGPS, GLONASS, Galileo, Beidou, QZSS
GNSS ChipsetAll-Satellite Dual-FrequencyAll-Satellite Single-FrequencyAll-Satellite Dual-Frequency
Navigation
Map LayerBreadcrumbLandscape Pre-loaded Global MapsLandscape Pre-loaded Global Maps
Topo Downloadable Regional MapsTopo Downloadable Regional Maps
Additional FeaturesCheckpointCheckpointCheckpoint
Back-To-StartBack-To-StartBack-To-Start
Deviation AlertDeviation AlertDeviation Alert
Touchscreen-Enabled Map ControlTouchscreen-Enabled Map ControlTouchscreen-Enabled Map Control
Data Tracking
SensorsOptical Heart Rate Monitor May not work over tattoosOptical Heart Rate Monitor May not work over tattoosOptical Heart Rate Monitor May not work over tattoos
Barometric AltimeterBarometric AltimeterBarometric Altimeter
AccelerometerAccelerometerAccelerometer
GyroscopeGyroscopeGyroscope
3D Compass3D Compass3D Compass
Thermometer Supports body temperature in training (with compatible accessory)Thermometer Supports body temperature in training (with compatible accessory)Thermometer Supports body temperature in training (with compatible accessory)
Optical Pulse OximeterOptical Pulse OximeterOptical Pulse Oximeter
Electrocardiogram SensorElectrocardiogram Sensor
Training FeaturesEffort Pace A personalized metric that represents true effort when runningEffort Pace A personalized metric that represents true effort when runningEffort Pace A personalized metric that represents true effort when running
EvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metricsEvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metricsEvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metrics
Activity Alerts For cadence, distance, pace, heart rate, power and more metricsActivity Alerts For cadence, distance, pace, heart rate, power and more metricsActivity Alerts For cadence, distance, pace, heart rate, power and more metrics
Basic/Advanced Interval TrainingBasic/Advanced Interval TrainingBasic/Advanced Interval Training
Pre-planned WorkoutsPre-planned WorkoutsPre-planned Workouts
Training PlansTraining PlansTraining Plans
Running FitnessRunning FitnessRunning Fitness
Resting Heart RateResting Heart RateResting Heart Rate
Underwater Heart RateUnderwater Heart RateUnderwater Heart Rate
Action Camera Control Supports select GoPro and Insta360 camerasAction Camera Control Supports select GoPro and Insta360 camerasAction Camera Control Supports select GoPro and Insta360 cameras
Virtual RunVirtual RunVirtual Run
Running Form Test Requires COROS POD/POD 2Running Form Test Requires COROS POD/POD 2Running Form Test Requires COROS POD/POD 2
Altitude Mode Regular evaluation of SpO2 and fitness when at high altitudesAltitude Mode Regular evaluation of SpO2 and fitness when at high altitudesAltitude Mode Regular evaluation of SpO2 and fitness when at high altitudes
Touch Scroll Swipe to scroll data pages during trainingTouch Scroll Swipe to scroll data pages during trainingTouch Scroll Swipe to scroll data pages during training
Daily FeaturesDaily StressDaily StressDaily Stress
Wellness CheckWellness CheckWellness Check
Message/Call Alert Supports daily use and during trainingMessage/Call Alert Supports daily use and during trainingMessage/Call Alert Supports daily use and during training
Sleep With REM trackingSleep With REM trackingSleep With REM tracking
AlarmAlarmAlarm
TimerTimerTimer
StopwatchStopwatchStopwatch
Daily Alerts Include active calories, exercise time, storm and more alertsDaily Alerts Include active calories, exercise time, storm and more alertsDaily Alerts Include active calories, exercise time, storm and more alerts
Updateable Firmware With Wi-Fi and the COROS appUpdateable Firmware With Wi-Fi and the COROS appUpdateable Firmware With Wi-Fi and the COROS app
Find My PhoneFind My PhoneFind My Phone
Find My WatchFind My WatchFind My Watch
Backlight Always-On ModeBacklight Always-On ModeBacklight Always-On Mode
HRV IndexHRV Index
Music Plays offline music when paired with supported Bluetooth headsetsMusic Plays offline music when paired with supported Bluetooth headsetsMusic Plays offline music when paired with supported Bluetooth headsets
3rd Party Integration
Compatible AppsNike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon Click here for a complete listNike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon Click here for a complete listNike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon Click here for a complete list
System Languages
Display LanguageEnglish, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, RussianEnglish, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, RussianEnglish, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian
Supported Activity Modes
RunRunRunRun
Indoor RunIndoor RunIndoor Run
Track RunTrack RunTrack Run
Trail RunTrail RunTrail Run
ClimbOutdoor Climb Enhanced data tracking for multi-pitch and big wall climbing
Indoor Climb Supports indoor lead, top rope, and bouldering with route/fall auto-countIndoor Climb Supports indoor lead, top rope, and bouldering with route/fall auto-count
Mountain ClimbMountain Climb
BikeBikeBikeBike
Indoor BikeIndoor BikeIndoor Bike
WaterOpen WaterOpen WaterOpen Water
Pool SwimPool SwimPool Swim
FlatwaterFlatwaterFlatwater
RowingRowingRowing
WhitewaterWhitewater
SpeedsurfingSpeedsurfing
WindsurfingWindsurfing
WinterSkiSkiSki
SnowboardSnowboardSnowboard
XC SkiXC SkiXC Ski
Ski TouringSki Touring
CardioGPS CardioGPS CardioGPS Cardio
Gym CardioGym CardioGym Cardio
HikeHikeHike
Indoor RowerIndoor RowerIndoor Rower
WalkWalkWalk
Jump RopeJump RopeJump Rope
SpecialTriathlonTriathlonTriathlon
MultisportMultisportMultisport
StrengthStrengthStrength
TrainingTrainingTraining
Training PlanTraining PlanTraining Plan
All battery claims depend on feature usage such as music, backlight, navigation, and many other factors; actual results will vary. Lithium-ion batteries have limited recharge cycles and may show degradation over time. Battery life and charge cycles vary by use and settings. View our Battery Specifications for more detailed information.