Sixty measures hydration and heart rate through the principle of optical spectrometry. It can work standalone but can communicate with other devices (BLE & ANT+) enabling seamless integration into IoT.
Combining the device with a companion app gives the user extended feedback and a richer user interface, suggesting possible symptoms and advice.
On the main two screens of the app, the user can see hydration level and a statistic of heart rate.
Big icons and contrast text help the users capture main information: whether the device is attached or not, whether it is connected to the app, charged and works properly; what is a current hydration level and heart rate, what to do if the indexes are below the normal.
The history screen provides a short overview of the past states.
It is important to see whether the device is attached or not, whether it works properly. Also, the app allows choosing which device to connect to, if used by doctors / nurses / parents / etc...
