A) Movement of Japan imports LCD slice and sensors
B) Measuring pressure range :0-300 mmHg
C) Pressure measurement accuracy: ± 3 mmHg
D) Measuring heart rate range: 40-160 times /minute
E) Measuring Heart Rate Accuracy: 5%
F) 99 groups memory function
G) Overpressure protection: In the process measurement, if the amount of air pressure exceeds 305 mmHg for one second, the air in the armlet will be unconditionally deflated rapidly
H) Low voltage Reminder: LCD screen display signs of low voltage (less than 2.2V when the show)
I) Auto power off function: the boot state, 4 minutes no keystrokes, automatic shutdown
J) Voice prompts measurements (suitable for use by visually impaired)