| Huawei Band 4 | |
 | |
| Tech specs | |
| Size | Core unit: 56mm x 18.5 x 12.5mm |
| Material | Metal frame & soft silicone strap |
| Charging | USB-A connector |
| Battery | 91mAh mAh |
| Battery life | 7-9 days for typical use |
| Water-resistance | 5 ATM (50 meters) |
| Weight | 24 grams |
| Sensor | Three-axis accelerometer, infrared sensor and optical heart rate sensor |
| Display | 2.5D TFT colour screen with a 160×80 pixel resolution |
| Screen size | 0.96″ |
| Colors | Various |
| Other | |
| Activity tracking | |
| Steps | Yes |
| Distance | Yes |
| Calories burned | Yes |
| Activity | Yes |
| Floors | |
| Sleep | Yes |
| Heart rate | Yes |
| 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 | Article |
**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.