4 ms·
Such things do exist, particularly for medical purposes. What type of "fitness tracker" are you after? Explain more and I am certain that i can offer at least t
by angrais 6y ago
Such things do exist, particularly for medical purposes. What type of "fitness tracker" are you after? Explain more and I am certain that i can offer at least three sensing devices that suit your needs that record data offline.
- rufus_foreman 6y agoSomething that could monitor heart rate and rhythm, steps, sleep, breathing, that sort of thing. Blood pressure if that is even possible.