Huawei Band 4 Pro Buil-in GPS / Workout Guidance 27/7 / Heart Rate Smart Watch (Graphite Black) (Pink Gold) (Cinnabar Red)

Size

Dimensions (Length x width x height): 45 mm (span of main body) x 19 mm (width) x 11 mm (maximum thickness of the main body)
Material: Engineering plastic + metal front shell

Weight

Approximately 25 g (including the wrist strap)

Color

• Graphite Black
• Pink Gold
• Cinnabar Red

Battery

Capacity: Typical value at 100 mAh
Charging time: about 100 minutes (under 25 °C ambient temperatures)

Button

Full screen touch + Home button

Sensors

6-axis IMU sensor (Accelerometer sensor, Gyroscope sensor)
Optical heart rate sensor
Infrared wear sensor

Operating System

Android 4.4 or later
iOS 9.0 or later

GPS

Supported

Screen

AMOLED colour screen
Resolution: 240 x 120 pixels
Size: 0.95 inches (21.6 mm x 10.8 mm for AA area)

CHARGING PORT

Two PIN charging port, connected to charging cradle through clip

BATTERY LIFE

5 days (with TruSleep and automatic heart rate monitoring enabled);
7 days (with TruSleep enabled and automatic heart rate monitoring disabled);
12 days (with TruSleep disabled and automatic heart rate monitoring disabled);
7 hours (independent GPS movement).

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.
For details of waterproof precautions, please refer to: https://consumer.huawei.com/en/support/how-to/newbie-guide/en-us00738723/

ENVIRONMENT

Ambient operating temperature: -10 ? ? +45 ?

BLUETOOTH

Bluetooth frequency: 2.4 GHz
Bluetooth 4.2
Bluetooth connection distance less than or equal to10m (in an open area)

Wrist strap

Material: Silicon rubber
Width: 16.5 mm (after the strap is fully loosened)
Length: The long strap is about 120 mm, and the short one is about 92 mm