Huawei Band 4 Health Monitoring Smart Band

Model: Band 4 (ADS-B29)
Feature: Easy Charging, Longer Usage, Life Assistant, Youthful Design, Smart Heart Rate Tracking
DIMENSIONS:

• Band body (Length x width x height): 56 mm x 18.5 mm x 12.5 mm
• Strap width: 17 mm
• Strap length: 123 mm + 85 mm

WEIGHT: Approximately 24 g (including the wrist strap)
COLOR: Graphite Black, Amber Sunrise
DISPLAY:

• TFT colour screen
• Resolution: 80 x 160 pixels
• Size: 0.96 inches

OPERATING SYSTEM: Android 4.4 or later, iOS 9.0 or later
SENSORS:

• 3-axis acceleration sensor
• Infrared wear sensor
• Optical heart rate sensor

BATTERY:

• Capacity: 91 mAh
• Charging time: about 1.5 hours (in ambient temperature of under 25 °C)
• Battery life:
  • 7 days: HUAWEI TruSleep™ enabled, Heart rate monitoring (Smart mode) enabled, Raise wrist to wake screen disabled
  • 8 days: HUAWEI TruSleep™ enabled, Heart rate monitoring (Smart mode) disabled, Raise wrist to wake screen disabled
  • 9 days: HUAWEI TruSleep™ disabled, Heart rate monitoring (Smart mode) disabled, Raise wrist to wake screen disabled
  • Additional conditions: Screen checked briefly 200 times a day, 50 messages a day, 3 calls a day, 3 alarms a day

MICROPROCESSOR: Apollo 3
ENVIRONMENT: Ambient operating temperature: -10 °C – +45 °C
BLUETOOTH:

• Bluetooth frequency: 2.4 GHz
• Bluetooth 4.2

STORAGE: ROM: 384 KB, ROM: 1 MB, Flash: 32 MB
BUTTON CONTROL: Full screen touch + Home key
IN THE BOX:

• Band x 1
• Quick start guide, safety information, and warranty card x 1

MATERIAL:

• Front cover: Plastic
• Strap: Silicone rubber

CHARGING PORT: USB charging port
WATER RESISTANCE: 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.)