[Rich functions and easy to use] If the test exceeds the threshold, there will be an audible alarm. According to the on-site usage, the brightness and sound of the display can be adjusted, and the display direction can be adjusted according to usage habits;
[Quick and accurate measurement] The fingertip pulse sphygmomanometer adopts a new generation of high-speed calculation chip and optical detection technology, which can accurately measure your blood oxygen saturation, pulse rate and permeability indicators within 8 seconds, and under laboratory conditions  The accuracy deviation is +/- 1%;
[Portable outdoor design] The weight is only 27.6g, which can be tested and improved the product experience.  The product is small in size and can be easily carried in outdoor sports.  Very suitable for hiking, skiing, cycling, pilots and other special occasions for the elderly (all packages)
[Energy saving and environmental protection] This instrument has automatic detection function.  If there is no test signal within 8 seconds, the instrument will automatically turn off the power.  The instrument can reduce power and insert two AAA batteries at the same time.  It can be used continuously for more than 40 hours and more than 700 times.
[Service] If you have any questions about the received product, please contact our customer service.  We will solve the problem for you as soon as possible (buy immediately and give a gift worth 5 to 8 US dollars)