A use this band 2 weak.and I also use xiomi mi2 band.
but lenovoHW01 is not good.because it don, t show right result
this result 52% right.if you sleep 4 hour.the feetness band show 6.30 hour.it shows over reat.
and the backup is very bad.the battery backup 3day only.
but is looks good.and is has large desplay.but as a feetness band it, s not good.but is bild quality is best.