That's an amazing battery life these days. Love my Apple Watch, but having to charge it at least once a day, is a chore.

Might take another look at these - given the price, it's not a huge gamble to try it out for a few weeks.

I was about to ask that - I somehow doubt it will last 2 years if you keep the step counter + Bluetooth on.

I was surprised to see it uses CR2016 batteries and still manages to get two years of advertised battery life.

Problem would be replacing it properly while maintaining it being waterproof.