For handheld pulse oximeter, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our handheld pulse oximeter has been well received by many customers and enjoyed a good reputation in many countries. KAIHONG HEALTHCAREhandheld pulse oximeter have characteristic design & practical performance & competitive price, for more information on the handheld pulse oximeter, please feel free to contact us.