| Polar A300 | |
 | |
| Tech specs | |
| Size | 7.6 x 9.9 x 11.7 |
| Material | Silicone and plastic |
| Charging | USB |
| Battery | 68mAh Li-pol rechargeable battery |
| Battery life | up to 26 days with 24/7 activity tracking and 1h per day training |
| Water-resistance | 30 metres |
| Weight | 48 grams |
| Sensor | accelerometer, vibration motor |
| Display | 128 x 128 pixel |
| Screen size | 1.1" |
| Colors | Black, White, Pink, Yellow |
| Other | PLATFORM: Propriatory PROCESSOR: N/A MEMORY: 4GB of built-in memory CONNECTIVITY: Bluetooth, Wifi |
| Activity tracking | |
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Activity | Yes |
| Floors | |
| Sleep | Yes |
| Heart rate | |
| Stress & recovery | |
| Pulse Ox | |
| Respiration rate | |
| UV exposure | |
| Skin temperature | |
| Galvanic skin response | |
| Hydration level | |
| Calorie intake | |
| GPS | |
| Running features | |
| Swimming features | |
| Other | |
| Non-fitness functions | |
| Smartphone notifications | Yes |
| On-board music storage | |
| Connected pay | |
| LTE | |
| Links | |
| Affiliate link* | Amazon |
| Read more |
**All tech specs and images on this page come from manufacturers. These may change over time as manufacturers sometimes update their devices. While we cannot guarantee absolute accuracy of information on this page, we promise to review this content regularly and do our best to bring you the most up-to-date information. To be absolutely sure of tech specs of a particular device, we recommend checking the manufacturer’s website.