Plug in the ihealth align to the smartphones headphone jack use the free ihealth gluco smart app to track and share all your blood sugar readings with your doctor small smart and portable fits directly into your headphone jack minimal 0 7 micro liter blood sample size fully integrated with the entire family of ihealth products help you better understand and support your healthy lifestyle saves up to 500 test results on the wireless meter and sets up reminders and shows glucose and insuli