Physical size | 42.3 x 42.3 x 12.2 mm |
Material | Lens material: Corning® Gorilla® Glass 3. Bezel and case material: fiber-reinforced polymer |
Charging | USB |
Battery | Rechargeable lithium-ion |
Battery life | Smartwatch Mode: Up to 7 days, 24 hrs GPS mode. GPS mode with music: Up to 6 hours. GPS mode without music: Up to 24 hours. |
Water resistance | 5 ATM |
Weight | 38.5 grams |
Display type | Sunlight-visible, transflective memory-in-pixel (MIP). Touch-enabled. Solar option. |
Display size | 1.2 inch (30.5 mm) |
Display resolution | 240 x 240 pixels |
Color options | Whitestone, Black |
Accelerometer | Yes |
Barometric altimeter | No |
Compass | Yes |
Galvanic skin response | No |
Geomagnetic | No |
Gyroscope | No |
Optical heart rate | Yes |
Electrical heart rate | No |
SpO2 | Yes |
Temperature | No |
GPS | Yes |
GALILEO | Yes |
GLONASS | Yes |
QZSS | No |
Beidou | No |
Ambient light sensor | No |
Vibration motor | Yes |
Microphone | No |
Speakers | No |
Steps | Yes |
Distance | Yes |
Calories burned | Yes |
Sports tracking | Yes |
Floors | No |
Sleep | Yes |
Heart rate | Yes |
Stress | Yes |
Blood oxygen | Yes |
Respiration rate | Yes |
UV exposure | No |
Skin temperature | No |
Hydration level | No |
HRV | No |
ECG | No |
Calorie intake | No |
Blood pressure | No |
Glucose | No |
Smartphone notifications | Yes |
Smartphone music control | Yes |
On-board music storage | Yes (up to 500 songs on 245 Music) |
Connected pay | Yes |
Cellular | No |
Connectivity | Bluetooth, ANT+ |
Operating system | Proprietary |
Memory | 200 hours of activity data |