120 hours of ride time on a single charge with full GPS support
Up to 2 extra hours of ride time per hour from solar charging
Fully customizable 2.7" MIP color screen with adaptive backlight
Responsive touchscreen for simple and safe use on the bike
Digital dial and single-button for one-finger control with ease
Dual-frequency satellite tracking with auto GPS mode selection
Turn-by-turn and smart rerouting powered by Google Maps
Built-in global offline maps for navigation on all types of terrain
Upload post-ride data in seconds, regardless of activity duration
Gain complete fitness insights with COROS watches and sensors
Bluetooth and ANT+ support and third-party integrations

Size and Weight
Dimensions	99.5 x 60.8 x 15.7mm Does not include the out-front handlebar mount
Weight - Device	102g
Weight - Mount	53g
Display
Display Size	2.7 Inch
Display Resolution	400 x 240 64 colors
Display Type	Touch Screen Always-On Memory LCD
Materials
Screen	Durable Composite Glass
Body	Reinforced Polymer
Mount	Reinforced Polymer
Out-Front Handlebar Mount
Length	70mm From center of handlebar to end of mount out-front
Compatible Handlebars	25.4mm / 31.8mm
Design
Buttons & Dials	Digital Dial
Buttons & Dials	Back Button
Connectivity
Phone	Bluetooth
Accessories	ANT+ / Bluetooth Up to 12 simultaneous connections with BLE
Accessory Types	Heart Rate Monitors, Power Meters, Indoor Trainers, Speed & Cadence Sensors, Garmin Varia Vehicle Radar, E-Bike Gears, Shimano/SRAM Electronic Drivetrain Systems Click here for a complete list
Data Sync	Wi-Fi / COROS App
Durability
Water & Dust Resistance	IP67
Working Temperature	-4°F ~ 140°F (-20℃ ~ 60℃)
Storage Temperature	-22°F ~ 158°F (-30℃ ~ 70℃)
Battery
All Systems On (GPS, GLONASS, Galileo, Beidou, QZSS)	120 Hours Without solar charging
Dual Frequency (GPS, GLONASS, Galileo, Beidou, QZSS)	70 Hours Without solar charging
Solar Efficiency	1 Hour In Direct Sun Generates Up To 2 Hours Of Extra Riding Time
Charging Time	2.5 Hours (15℃ ~ 45℃) 4 Hours (0℃ ~ 15℃) Charging disabled in all other temperatures
Memory
Internal Memory	32GB
Activity Memory	1200 Hours Estimates based on outdoor activities
Geo Location
Satellite Systems	GPS, GLONASS, Galileo, Beidou, QZSS
GNSS Chipset	All-Satellite Dual-Frequency (L1 + L5)
Navigation
Map Layer	Landscape Pre-loaded Global Maps
Additional Features	Checkpoint
	Back-To-Start
	Deviation Alert
	Touchscreen-Enabled Map Control
	Turn By Turn
	Smart Reroute Navigation COROS app connection required
	Climb Details
Data Tracking
Sensors	Barometric Altimeter
	Accelerometer
	Gyroscope
	Compass
	Temperature Sensor
Training Features	Training Management Training Load, Base Fitness, Load Impact
	Training Load Recommendation
	FTP Test
	Recovery Timer
	Activity Alerts For cadence, distance, heart rate, power and more metrics
	Pre-planned Workouts
	Training Plans
	Touch Scroll Swipe to scroll data pages during training
Safety Features	Group Tracking COROS app connection required
	Safety Alerts COROS app connection required
	Bike Alarm COROS app connection required
3rd Party Integration
Compatible Apps	Strava, Komoot, TrainingPeaks, Ride With GPS, Relive, Final Surge, Decathlon
System Languages
Display Language	English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian
Supported Activity Modes
Outdoor	Road
	Gravel
	Mountain Bike (MTB)
Electric	E-Bike
Electric	E-Mountain Bike (E-MTB)
Indoor	Indoor

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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GPS Navigation Systems