Dimensions: 43.4 × 43.4 × 11.8 mm (height does not include the optical heart rate sensor)
Weight: 40 g (with silicone band); 32 g (with nylon band)
Display Size: 1.2 inches
Display Resolution: 390 × 390 pixels
Display Type: Touch Screen Always-On AMOLED Display
Screen Material: Mineral Glass
Bezel Material: Fiber Reinforced Polymer
Cover Material: Fiber Reinforced Polymer
Band Material: Silicone / Nylon
Watch Band Width: 22 mm
Band Size (Nylon): 135–205 mm
Band Size (Silicone): 130–215 mm
Installation Type: Quick Release
Buttons & Dials: Digital Dial, Back Button, Action Button (for shortcuts to your most used features, pins, and more)
Phone Connectivity: Bluetooth
Accessories Connectivity: Bluetooth
Data Sync: Wi-Fi / COROS App
Water Resistance: 5 ATM (suitable for surface water activities; not for diving)
Working Temperature: -4°F to 122°F (-20°C to 50°C)
Storage Temperature: -4°F to 140°F (-20°C to 60°C)
Battery Life:
- Standard Full GPS (GPS/QZSS): —
- High (All Systems – GPS, GLONASS, Galileo, Beidou, QZSS): 41 hours | 30 hours (with Always-On Display); 14 hours with offline music playing
- Max (Dual Frequency – GPS, GLONASS, Galileo, Beidou, QZSS): 31 hours | 24 hours (with Always-On Display); 12 hours with offline music playing
- Daily Use & Sleep Tracking: 19 days | 6 days (with Always-On Display)
Charging Time: Less than 2 hours
Internal Memory: 4 GB
Activity Memory: 1200 hours (estimated based on outdoor activities)
Satellite Systems: GPS, GLONASS, Galileo, Beidou, QZSS
GNSS Chipset: All-Satellite Dual-Frequency