Smart Watch Heart Rate Blood Pressure Blood Oxygen Sleep Monitoring

Product information:
Display screen: 1.3-inch IPS screen, Resolution 240*240
Heart rate: high precision sensor
Touch: full color touch screen
Vibration: Mute/vibration
Bluetooth: Bluetooth LE 4.0
Waterproof grade: IP67
Battery capacity: 90mAh
Charging Method: charging case
Usage time: about 7 days
Compatible Systems: Android 4.4 or above, iOS 8.0 or above