Kim Yong Lee

WELTBILD FIT
FreeWELTBILDsmartbandcantrackingall-dayactivity,exercise,sleep,restingheartrateandexerciseheartrate.
iOSCT Fit
FreeCT FIT is the app for MTK smart band and smart watch.
iOS
Smart+ Watch
FreeSmart+ Watchsmartbandcantrackingall-dayactivity,exercise,sleep,restingheartrateandexerciseheartrate.
iOS