UP24. I bought 5-6 of them and have been using since past 2+ years. It is simple, accurate and has good sleep tracking functionality. Silent vibrating alarm is the best feature. Battery life is very good and lasts 7-10 days. I generally put it in my pockets and it does good.

UP24. I bought 5-6 of them and have been using since past 2+ years. It is simple, accurate and has good sleep…