Smart sports 4pro bracelet

specification:
The main parameters:
Language: Chinese, English
Pairing system: Android 4.4 or higher, iOS 9.0 or higher
Battery capacity: 100mAh
Promotional name: Huawei Band 4 Pro
Theoretical working time: 5 days under typical conditions (in scientific standby mode, continuous heart rate measurement (smart mode by default), turn off screen gestures, watch 30 hours a day, receive 30 notification messages, and 2 call notifications , 2 alarms.)
Theoretical charging time: about 100 minutes (at an ambient temperature of 25°C)
main body:
Name: Huawei Band 4 Pro
specification:
Pairing system: Android 4.4 or higher, iOS 9.0 or higher
Material: metal frame + plastic back shell + silicone strap
Battery capacity: 100mAh
NFC: Support
Bluetooth: Bluetooth 4.2 protocol, connection distance ≤10m (in an open environment)
Charging: 2-pin charging port, connected to the charging base through a loop
Theoretical working time: 5 days under typical conditions (in scientific standby mode, continuous heart rate measurement (smart mode by default), turn off screen gestures, watch 30 hours a day, receive 30 notification messages, and 2 call notifications , 2 alarms.)
Theoretical charging time: about 100 minutes (at an ambient temperature of 25°C)
Sensor: six-axis inertial sensor (acceleration sensor, gyroscope sensor); optical heart rate sensor, infrared light wear detection sensor.
Button: full screen touch + home button
Screen: 0.95 inches, AMOLED color screen
Safety protection: 5ATM
Attributes:
Size: 45mm * 19mm * 11mm
Weight: 25g (including strap)
Software name: Huawei terminal smart bracelet control software V6.0
Parameter details:
package:
Bracelet X 1
Charging base X 1
Charging cable X 1

Quick start, safety information and warranty card X 1