TK27 Bluetooth Smartwatch Non-Invasive Health Bracelet

Product information:
Color: black, blue, red, black leather, brown leather, three beads steel belt Black, nylon black, Rice glue
Applicable people: female, male, neutral, couple, adult
Operation mode: touch button
Functions: Waterproof, photographing, step counting, heart rate monitoring, blood pressure measurement, social entertainment, body temperature measurement, Bluetooth calling, smart reminder, sleep monitoring, blood oxygen detection
Body temperature transducer: NTC
ECG ECG chip: Zesheng ZS8002
Photoelectric PPG chip: Zesheng ZS8002 matrix PD
Gravity sensor: Shilan micro SC7A20H
Bluetooth: 5.1BLE
Waterproof: IP68
Battery capacity: 450mAh
Screen size: 1.43 inches 466*466 resolution
Battery life:
Daily use for 7-10 days, standby for 30 days
Shell material: alloy metal
Compatible Systems: Android4.4 or above/ios9.0 or above