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Dimensions
Body: 40.5 mm x 14.8 mm x 11.2 mm (H x W x D)
Wrist strap: 210 mm x 15 mm (H x W)

Weight
Band body + Strap: Approximately 13 g
Band body: Approximately 6 g

*Product size, product weight, and related specifications are theoretical values only. Actual measurements between individual products may vary. All specifications are subject to the actual product.

Colour
Misty GreySakura CoralSeaweed GreenCeylon YellowAlizarin RedCobalt Violet

Display
PMOLED black-and-white screen
Resolution: 48 x 88 pixel
Dimensions: 0.5 inches (11.244 mm x 6.124 mm in AA zone)

Microprocessor
32-bit ARM Cortex-M4
1 MB Flash
AES 128-bit encryption ARM Cortex-M4

Sensors
6-axis motion sensor

Battery
Capacity: 77 mAh
Type: unremovable lithium battery
Charging time: less than 120 min (at temperature about 25 °C)

Battery life:
Theoretical battery life: 14 days (according to the Huawei lab model)
Theoretical standby time: 21 days

*Typical value. Actual capacity may vary slightly.
This capacity is the nominal battery capacity. The actual battery capacity for each individual phone may be slightly above or below the nominal battery capacity.

Environment
Operating temperature: -10 °C to + 45 °C

External Port
Adopts the pogo pins charging solution, and a USB-to-pogopin charging cradle is provided.

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

Bluetooth
Bluetooth frequency: 2.4 GHz
Bluetooth 4.2
Maximum Bluetooth connection distance: 10 m (in an open area)