$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 sensor46 x 46 x 12.25mm Height does not include the optical heart rate sensor46.1 x 46.5 x 14mm
Weight39g With Silicone Band49g With Silicone Band66g With Silicone Band
30g With Nylon Band37g With Nylon Band53g With Nylon Band
Display
Display Size1.2 Inch1.3 Inch1.3 Inch
Display Resolution240 x 240 64 colors416 x 416 Full colors260 x 260 64 colors
Display TypeTouch Screen Always-On Memory LCDTouch Screen Always-On AMOLED DisplayTouch Screen Always-On Memory LCD
Materials
Screen MaterialMineral GlassMineral GlassSapphire Glass
Bezel MaterialFiber Reinforced PolymerFiber Reinforced PolymerGrade 5 Titanium Alloy With PVD Coating
Cover MaterialFiber Reinforced PolymerFiber Reinforced PolymerTitanium Alloy
Band MaterialSilicone / NylonSilicone / NylonSilicone / Nylon
Watch Band
Width22mm22mm22mm
Size - Nylon135mm - 205mm (Standard) 150mm - 235mm (Long)140mm - 220mm145mm - 220mm (Standard) 130mm - 195mm (Short)
Size - Silicone130mm - 215mm130mm - 220mm145mm - 220mm
Installation TypeQuick ReleaseQuick ReleaseQuick Release
Design
Buttons & DialsDigital DialDigital DialDigital Dial
Back ButtonBack ButtonBack Button
Dedicated 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 diving5 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)-4°F to 122°F (-20°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)-4°F to 140°F (-20°C to 60°C)
Battery
Standard Full GPS (GPS/QZSS)38 Hours66 Hours
10 Hours With offline music playing18 Hours With offline music playing
All Systems On (GPS, GLONASS, Galileo, Beidou, QZSS)25 Hours38 Hours 28 Hours (With Always-On Display)41 Hours
9 Hours With offline music playing13 Hours 11 Hours (With Always-On Display) With offline music playing15 Hours With offline music playing
Dual Frequency (GPS, GLONASS, Galileo, Beidou, QZSS)15 Hours31 Hours 24 Hours (With Always-On Display)24 Hours
7 Hours With offline music playing12 Hours 10 Hours (With Always-On Display) With offline music playing12 Hours With offline music playing
Daily Use & Sleep Tracking15 Days With all-day stress monitoring20 Days 6 Days (With Always-On Display) With all-day stress monitoring21 Days With all-day stress monitoring
Charging TimeLess Than 2 HoursLess Than 2 HoursLess Than 2 Hours
Memory
Internal Memory4GB32GB32GB
Activity Memory1200 Hours Estimates based on outdoor activities1200 Hours Estimates based on outdoor activities1200 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 Dual-FrequencyAll-Satellite Dual-Frequency
Navigation
Map LayerBreadcrumbLandscape Downloadable Global MapsLandscape Downloadable 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 PacerVirtual PacerVirtual Pacer
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
ExtenderExtenderExtender
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 ModeAlways-On DisplayBacklight Always-On Mode
HRVHRVHRV
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, Russian, VietnameseEnglish, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian, VietnameseEnglish, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian, Vietnamese
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-count
Mountain Climb
Bouldering
BikeBikeBikeBike
Indoor BikeIndoor BikeIndoor Bike
GravelGravelGravel
Mountain Bike (MTB)Mountain Bike (MTB)Mountain Bike (MTB)
WaterOpen WaterOpen WaterOpen Water
Pool SwimPool SwimPool Swim
FlatwaterFlatwaterFlatwater
RowingRowingRowing
Whitewater
Speedsurfing
Windsurfing
WinterSkiSkiSki
SnowboardSnowboardSnowboard
XC SkiXC SkiXC Ski
Ski 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.