i got 2 fitbig watch to try out did cost anything try the in3 only use it 1 day gave up pro can add excise but only whole miles easy to set up didnt ve to any thing it did it all con hard to turn on ve 2 buttoms do your wring or tap 2 time half time it wouldnt show and when it did only 4 a sencold ti didnt see where u could take anything manually the strap was small the extra one same size now some of it was because i didnt do anything in the setting the heart rate was both the same steps basic the same sleep score was 10 blow my watch which was more how i figue it was so if anyone want it they can ve someone more advance than me i also got a 5 wait a while to try it out my ct same o same o finally go to eye dr tues is winter here or just 4 a visit