Xiaomi Mi Band 4 Smart Watch , 0.95 Inch Black - MGW4052GL

Brand: Xiaomi
Features:

• Heart rate monitoring
• Sleep monitoring
• 6 workout modes
• View notifications
  Sensors: 3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor
  Display: (120×240 RGB) AMOLED display
  Water Resistance: 5 ATM
  Battery: 135 mAh Li-Ion Polymer Battery (approx. 20 days standby time)
  Connectivity: Bluetooth 5 BLE
  Compatibility: Android 4.4, iOS 9 or above
  Model No.: MGW4052GL