The iHealth Sense connected wrist blood pressure monitor measures your blood pressure, heartbeat and detects arrhythmia. For optimal results, find the perfect position on your wrist using the gauge on the app. iHealth Sense will accompany you everywhere you go thanks to excellent battery life of around 80 uses. Connected health, designed for use with smartphones and tablets via the free app. One button operation. Batteries required: 1 x Li-Ion batteries included.