HUAWEI Band 4 tech specs
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| Check price at: Amazon Best Buy Walmart Target |
| Weight | 24.0 g (0.85 oz) |
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| Width | 18.5 mm (0.73 in) |
| Height | 56.0 mm (2.20 in) |
| Thickness | 12.5 mm (0.49 in) |
| Wrist size | 123.0 mm (4.84 in) - 208.0 mm (8.19 in) |
| Band width | 17.0 mm (0.67 in) |
| Water resistant | 5 ATM |
| Display size | 24.4 mm (0.96 in) |
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| Display type | TFT |
| Display resolution | 80 x 160px |
| Touchscreen | Yes |
| Always On |
| Cellular networks | |
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| Wi-Fi | |
| Built-in GPS | |
| NFC | |
| Bluetooth | Yes |
| Operating system | |
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| Assistant | |
| Contactless Payments | |
| Make and Answer Calls | |
| Send text responses | |
| Control phone music | |
| Local music storage | |
| Storage |
| Sleep tracking | Yes |
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| Fall detection | |
| Heart rate | Yes |
| SpO2 | Yes |
| ECG | |
| Skin temperature sensor |
| Battery life | 7 days |
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| Compass | |
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| Barometric altimeter | |
| Ambient light sensor | |
| Accelerometer | Yes |
| Gyroscope |
| Check price at: | Amazon Best Buy Walmart Target |
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