MSP-4 Da Fit APP 1.81inch Phone Calling Smart Watch

Basic spec:
IP67，GR5515+AC6963A，BT 5.1
Display: 1.81inch-square screen-240*286-TFT
Body material: Plastic + Zinc Alloy
Strap material: Silicone + Stainless Steel
Heart rate sensor: HRS3300
Compatible: android4.4+ / ios8.0+

Function:Bluetooth callHeart rateblood pressureSpO2Sleep monitoringSedentary reminder multiple sports modesBluetooth music informationWeathermute phone

Charging way: Charging docking
Battery capacity: 230mAh(typical value)
Charging method:Cradle charger
Charging time:2.5 h
Typical usage battery life:5-7day
Basic usage battery life:20day
Heary usage battery life:3-5day