Dimensions
45 x 19 x 11 mm
Weight
Approximately 25 g (including the strap) 
Display
0.95 inch AMOLED colour
Resolution
240 x 120 pixels
Sensors
6-axis IMU sensor (Accelerometer sensor, Gyroscope sensor)
Optical heart rate sensor
Infrared wear sensor
Charging Port
Two PIN charging port, connected to charging cradle through clip
Compatibility Android 4.4 or later
iOS 9.0 or later
Waterproof Rating
5 ATM water-resistant 
Connectivity Bluetooth frequency: 2.4 GHz
Bluetooth 4.2
Bluetooth connection distance less than or equal to10 m (in an open area)
Battery Life
5 days:
HUAWEI TruSleep™ is enabled
Continuous heart rate monitoring is enabled (Smart mode is enabled by default)
Screen is turned on 500 times a day
30 messages a day
2 calls a day
2 alarms a day
7 hours of sleep
7 days:
HUAWEI TruSleep™ is enabled
Continuous heart rate monitoring is disabled
Screen is turned on 300 times a day
30 messages a day
2 calls a day
2 alarms a day
7 hours of sleep
12 days:
HUAWEI TruSleep™ is disabled
Continuous heart rate monitoring is disabled
Raise wrist to wake screen is disabled
Screen is checked briefly 30 times a day
7 hours of workouts with GPS enabled (able to function during a full marathon)

Data is based on test 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.

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