Per me shume info:
https://consumer.huawei.com/en/wearables/band4/specs/
Specifications and features![]() |
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Product Code | Huawei Band 4 Graphite Black![]() |
DIMENSIONS | Band body (Length x width x height): 56 mm (entire length without the strap) x 18.5 mm (width) x 12.5 mm (thickness of the band body) |
Strap width: 17 mm | |
Strap length: 123 mm + 85 mm | |
Weight | Approximqtely 24 g (including the wrist strap) |
Color | Graphite Black |
Display | TFT colour screen |
Resolution: 80 x 160 pixels | |
Size: 0.96 inches | |
Material | Front cover: Plastic |
Strap: Silicone rubber | |
Operating System | Android 4.4 or later |
iOS 9.0 or later | |
Sensors | 3-axis acceleration sensor |
Infrared wear sensor | |
Optical heart rate sensor | |
Battery | Capacity: 91 mAh |
Charging time: about 1.5 hours (in ambient temperature of under 25 °C) | |
7 days: | |
HUAWEI TruSleep is enabled, Heart rate monitoring (Smart mode) is enabled, Raise wrist to wake screen is disabled; | |
8 days: | |
HUAWEI TruSleep is enabled, Heart rate monitoring (Smart mode) is disabled, Raise wrist to wake screen is disabled | |
9 days: | |
HUAWEI TruSleep is disabled, Heart rate monitoring (Smart mode) is disabled, Raise wrist to wake screen is disabled | |
Screen is checked briefly 200 times a day, 50 messages a day, 3 calls a day, 3 alarms a day | |
Data is based on tests results from the Huawei lab. Actual battery life varies depending on your band’s configuration, operations, ambient environment, and how long the battery has been used. | |
Bluetooth | Bluetooth frequency: 2.4 GHz |
Bluetooth 4.2 | |
CHARGING PORT | USB charging port |
MICROPROCESSOR | Apollo 3 |
ENVIRONMENT | Ambient operating temperature: -10 °C – +45 °C |
WATER RESISTANCE | 5ATM |
Storage | ROM: 384 KB |
ROM: 1 MB | |
Flash: 32 MB | |
Button Control | Full screen touch + Home key |
In the box | Band x 1 |