Functions:6setsofthemes,customdial,stepcounting,brightnessadjustment,multi-sportmode,sleepdetection,heartrate,bloodpressure,bloodoxygen,breathingtraining,informationpush,remotemusic,remotephoto,r Compatiblesystem:Android0andabove/iOS100andabove Language: APP:Simplified,English,Traditional,Greek,French,German,Italian,Spanish,Dutch,Portuguese,Russian,Turkish,Japanese,Polish,Romanian,Thai,Vietnamese,Indonesian,Korean,Arabic