How about Haier sphygmomanometer?

Haier electronic sphygmomanometer used by two old people at home was designed by two users. A sphygmomanometer can be used by two people and can record their blood pressure. 2*90 groups of large-capacity memory values are convenient to compare the changes of blood pressure before and after each other. The design of rechargeable lithium battery is efficient and convenient. 1 min automatically shuts down after no operation, saving energy and electricity, and making it safer and more durable to use.