The Nymi Band is like a contactless credit card, which only works when you (and only you) are wearing it. It uses a sensor to record the electrical activity of the wearer’s heart, the same kind of thing a hospital uses during an ECG.
The Nymi Band is like a contactless credit card, which only works when you (and only you) are wearing it. It uses a sensor to record the electrical activity of the wearer’s heart, the same kind of thing a hospital uses during an ECG.