This product is made of high-quality plastic, durable and very practical.
It can be used to measure oxyhemoglobin, heart rate, blood oxygen and so on.
With its own data display screen, it can clearly and accurately display the human body's blood oxygen index and so on.
Mini design, small size, light weight, easy to carry. Excellent quality, long service life, easy to use.
Comes with 12 months WARRANTY and friendly customer service. If you have any questions about pre-sale and after-sales, we are always at your service, reply within 24 hours.