Polar M400
- Screen 1.31 inch LCD
- Battery life up to 30 days
- Water resistance 30 metres (WR30)
- Sensors Accelerometer, optical heart rate sensor, GPS, vibration motor
- Date September 2014
Specs
General
| Physical size | 38 x 50 x 11.5 mm |
| Material | Silicone, plastic |
| Charging | Micro USB |
| Battery | 190 mAh Li-pol |
| Battery life | up to 30 days in normal mode; up to 8 hours of training time with GPS and Bluetooth Smart heart rate sensor |
| Water resistance | 30 metres (WR30) |
| Weight | 57 grams |
| Display type | LCD |
| Display size | 1.31 inches |
| Display resolution | 128 x 128 pixels |
| Color options | Black, Blue, Pink, Red, White |
Sensors
| Accelerometer | Yes |
| Barometric altimeter | No |
| Compass | No |
| Galvanic skin response | No |
| Geomagnetic | No |
| Gyroscope | No |
| Optical heart rate | Yes |
| Electrical heart rate | No |
| SpO2 | No |
| Temperature | No |
| GPS | Yes |
| GALILEO | No |
| GLONASS | No |
| QZSS | No |
| Beidou | No |
| Ambient light sensor | No |
| Vibration motor | Yes |
| Microphone | No |
| Speakers | No |
Health & activity tracking
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Sports tracking | Yes |
| Floors | No |
| Sleep | Yes |
| Heart rate | Yes |
| Stress | No |
| Blood oxygen | No |
| Respiration rate | No |
| UV exposure | No |
| Skin temperature | No |
| Hydration level | No |
| HRV | No |
| ECG | No |
| Calorie intake | No |
| Blood pressure | No |
| Glucose | No |
| Other | Running cadence, recovery status, training benefit |
Daily smart features
| Smartphone notifications | Yes |
| Smartphone music control | No |
| On-board music storage | No |
| Connected pay | No |
| Cellular | No |
| Connectivity | Bluetooth, WiFi |
| Operating system | Proprietary |
| Memory | 4 MB Flash memory |
Disclaimer Note
These technical specs are correct to the best of our knowledge at the time of publishing.
