Details

Size and Weight
Dimensions	46.2 x 46.2 x 13.7mm Height does not include the optical heart rate sensor	42.6 x 42.6 x 14mm Height does not include the optical heart rate sensor
Weight	64g with silicone band 51g with nylon band	56g with silicone band 44g with nylon band
Display
Display Size	1.3 inches	1.2 inches
Display Resolution	260 x 260 pixels	240 x 240
Display Type	3rd Generation Memory-in-Pixel touch screen	3rd Generation Memory-in-Pixel touch screen
Materials
Screen Material	Sapphire Glass	Sapphire Glass
Bezel Material	Grade 5 Titanium Alloy	Grade 5 Titanium Alloy
Cover Material	Fiber Reinforced Polymer	Fiber Reinforced Polymer
Band Material	Silicone / Nylon	Silicone / Nylon
Watch Band
Width	24mm	22mm
Size – Nylon	140mm – 215mm	135mm – 205mm
Size – Silicone	140mm – 215mm	135mm – 205mm
Installation Type	Quick Release	Quick Release
Design
Buttons & Dials	Digital Dial Back Button Action Button for shortcuts to your maps, Pins, and more	Digital Dial Back Button Action Button for shortcuts to your maps, Pins, and more
Connectivity
Phone	Bluetooth	Bluetooth
Accessories	Bluetooth	Bluetooth
Data Sync	Wi-Fi / COROS App	Wi-Fi / COROS App
Durability
Water Resistance	5 ATM Suitable for surface water activities and not for diving	5 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)
Storage Temperature	-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)	— —	— —
Endurance All Systems (GPS, GLONASS, Galileo, Beidou, QZSS)	65 hours 17 hours with offline music playing	41 hours 11 hours with offline music playing
High All Systems (GPS, GLONASS, Galileo, Beidou, QZSS)	53 hours 16 hours with offline music playing	34 hours 10 hours with offline music playing
Max Dual Frequency (GPS, GLONASS, Galileo, Beidou, QZSS)	41 hours 15 hours with offline music playing	26 hours 9 hours with offline music playing
Daily Use & Sleep Tracking	24 days	15 days
Charging Time	Less Than 2 Hours	Less Than 2 Hours
Memory
Internal Memory	32GB	32GB
Activity Memory	1200 Hours Estimates based on outdoor activities	1200 Hours Estimates based on outdoor activities
Geo Location
Satellite Systems	GPS, GLONASS, Galileo, Beidou, QZSS	GPS, GLONASS, Galileo, Beidou, QZSS
GNSS Chipset	All-Satellite Dual-Frequency	All-Satellite Dual-Frequency
Navigation
Map Layer	Landscape (with trail and street names) Downloadable Global Maps Topo Downloadable Global Maps	Landscape (with trail and street names) Downloadable Global Maps Topo Downloadable Global Maps
Additional Features	Checkpoint Back-To-Start Deviation Alert Touchscreen-Enabled Map Control Safety Alerts	Checkpoint Back-To-Start Deviation Alert Touchscreen-Enabled Map Control Safety Alerts
Data Tracking
Sensors	Speaker to take hands-free calls or play activity alerts out-loud. Microphone to record training logs, use voice commands, and save Voice Pins Optical Heart Rate Monitor May not work over tattoos Barometric Altimeter Accelerometer Gyroscope 3D Compass Thermometer Supports body temperature in training (with compatible accessory) Optical Pulse Oximeter Electrocardiogram Sensor	Speaker to take hands-free calls or play activity alerts out-loud. Dual-Microphone with Noise Reduction to record training logs, use voice commands, and save Voice Pins Optical Heart Rate Monitor May not work over tattoos Barometric Altimeter Accelerometer Gyroscope 3D Compass Thermometer Supports body temperature in training (with compatible accessory) Optical Pulse Oximeter Electrocardiogram Sensor
Training Features	Effort Pace A personalized metric that represents true effort when running EvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metrics Activity Alerts For cadence, distance, pace, heart rate, power and more metrics Basic Interval Training Pre-planned Workouts Training Plans Running Fitness Resting Heart Rate Underwater Heart Rate Action Camera Control Supports select GoPro, DJI, Insta360 cameras Virtual Pacer Virtual Run Running Form Test Requires COROS POD/POD 2 Altitude Mode Regular evaluation of SpO2 and fitness when at high altitudes Touch Scroll Swipe to scroll data pages during training Extender	Effort Pace A personalized metric that represents true effort when running EvoLab Recovery, fatigue, training load, race predictor, VO2 max, threshold zones and more metrics Activity Alerts For cadence, distance, pace, heart rate, power and more metrics Basic Interval Training Pre-planned Workouts Training Plans Running Fitness Resting Heart Rate Underwater Heart Rate Action Camera Control Supports select GoPro, DJI, Insta360 cameras Virtual Pacer Virtual Run Running Form Test Requires COROS POD/POD 2 Altitude Mode Regular evaluation of SpO2 and fitness when at high altitudes Touch Scroll Swipe to scroll data pages during training Extender
Daily Features	Daily Stress Wellness Check Message/Call Alert Supports daily use and during training Sleep with REM tracking Alarm Timer Stopwatch Daily Data Includes active calories, exercise time, storm and more alerts Updateable Firmware with Wi-Fi and the COROS app Find My Phone Find My Watch Always-On Display HRV Music Plays offline music when paired with supported Bluetooth headsets	Daily Stress Wellness Check Message/Call Alert Supports daily use and during training Sleep with REM tracking Alarm Timer Stopwatch Daily Data Includes active calories, exercise time, storm and more alerts Updateable Firmware with Wi-Fi and the COROS app Find My Phone Find My Watch Always-On Display HRV Music Plays offline music when paired with supported Bluetooth headsets
3rd Party Integration
Compatible Apps	Nike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon Click here for a complete list	Nike 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 Language	English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian, Vietnamese	English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian, Vietnamese

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.

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