Product information: Color: black, blue, red, black belt, Brown, three beads steel belt, ECG belt accessories Applicable people: Adults Battery life: 7-14 days Functions: Waterproof, photographing, heart rate monitoring, blood pressure measurement, body temperature measurement, blood oxygen detection
Display screen: 1.91-inch high-definition touch screen CPU: Low power GH5515 ECG chip: TYHX3220 (high-frequency 512HZ) Bluetooth: BT5.1 Battery capacity: polymer 280MAH Charging method: magnetic suction charging (with protection) System: Android 5.0 and above, iOS 9.0 and above