HUAWEI Band 4 Pro

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Specifications

Dimensions
Dimensions (Length x width x height):	45mm (span of main body) x 19mm (width) x 11mm (maximum thickness of the main body)
Material:	Engineering plastic + metal front shell
Weight	Approximately 25g (including the wrist strap)
Wrist Strap
Material	Silicon rubber
Width	16.5mm (after the strap is fully loosened)
Length	The long strap is about 120mm, and the short one is about 92mm
Colour	Graphite Black Pink Gold Cinnabar Red
Operating System	Android 4.4 or later iOS 9.0 or later
GPS
Supported
Sensors	‎6-axis IMU sensor (Accelerometer sensor, Gyroscope sensor) Optical heart rate sensor Infrared wear sensor
Battery
Capacity	‏Typical value at 100mAh
Charging time:	about 100 minutes (under 25 °C ambient temperatures)
Environment
Ambient operating temperature	-10 ℃ – +45 ℃
Screen
AMOLED colour screen
Resolution	240 x 120 pixels
Size	0.95 inches (21.6mm x 10.8mm for AA area)
Button	Full screen touch + Home button Waterproof Level 5ATM Devices complying with the 5ATM-rated water have a water resistance rating of 50 meters under ISO standard 22810:2010. This means that they may be used for shallow-water activities like swimming in a pool or ocean. However, they should not be used for scuba diving, waterskiing, or other activities involving high-velocity water or submersion below shallow depth.
Bluetooth
Bluetooth frequency	2.4GHz Bluetooth 4.2 Bluetooth connection distance less than or equal to10m (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 2 calls a day 2 alarms a day 7 hours of sleep

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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HUAWEI Band 4 Pro

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