MIL-STD-810H compliant*
IP68 dust tight and water resistant (immersible up to 50m/5ATM)
Compatible with standard 20mm straps
ECG certified
Blood pressure monitor
Armor aluminum 2 frame
*does not guarantee ruggedness or use in extreme conditions
Completely disappointed with battery life. Have to recharge every day on saving mode. And on this battery saving mode watches turn off health features which make watches completely useless for me.
I used fitbit charge 5 for the last few years. I o...