Wholesale waterproof bluetooth smart bracelet heart rate black color

System Configuration

  Battery capacity:  70MAH

  Standby time: About 300 hours
  Input voltage: 5V
  Net Weight: 6.9 g
  Material: ABS plastic
  Wristband: TPU elastomer,  total length: 235mm, Adjustable Length: 155-210mm
  Display: 0.42 inches OLED
  Bluetooth: Bluetooth 4.0 compatible (Android and IOS)
  Touch button: Yes
  Waterproof: IP67 rating
  Acceleration sensor: Low-power sensor
 

Functions: 

  Heart Rate Monitor: 

  SMS: Mobile phone Bluetooth synchronization to remind messages
  Time: OLED display 24 formula
  Pedometer: pedometer sports, sports mileage record
  Calls reminding: vibration (SMS Wechat QQ calls, etc.)
  Sleep Monitor: Sleep Quality Monitoring
  Charging port: USB port 
  Alarm clock: setting from cellphone (clock)
  APP Sharing: Movement record, pedometer result sharing