Material:zincalloy,TPU,electroniccomponents Functions:videoentertainment,heartratemonitoring,bloodpressuremeasurement,sleepmonitoring,bloodoxygendetection,multiplesportsmodes,smartreminder,positioning,alarmclock,stepcounting,mobilephonecam Applicablelanguages:English,Chinese,Japanese,German,French,Spanish,Arabic,Russian,Ukrainian,Portuguese Applicablesystem:Android4andabove,IOS80andabove