The iHealth BG glucose monitoring system is used to measure the blood-glucose levels in the body.The kit contains a glucometer.The meter needs to be plugged in the headphone jack of your smartphone and displays the results instantly on the screen.The free ihealth mobile app shows 7, 14, 30, 90 days trends & statistics.Mobile logbook automatically records 9,999 results. You can share the results through texts and emails.A very small amount of blood is required for the test(0.6-0.7ul). You can even set up the reminders & view insulin and glucose trends instantly.