Fitbit one is a good fitness product but it has many disadvantages to is Fitbit one has major problem essay do not have any fitness band so that means if you want to carry Fitbit one you have to put it in your pocket or somewhere which means it has a risk of that it will it may be lost the track system of the Fitbit one is also not good as it takes a bit period of time to connect with your smartphone it has a good battery life as it takes about 2 hour of charging time and it gives about 14 days of battery backup I recommend you if you can go for something else in case of you want a fitness device that’s all for today thank you if you have any queries you can comment it on the comment box thank you