dz09 smartwatch android gt08 u8 a1 samsung smart watchs sim intelligent mobile phone watch can record the sleep state smart watch

function: passometer,sleep tracker,calendar,dial call,push message,alarm clock,fitness tracker,answer call,message reminder,call remindercase material: alloyapp download available: yestype: on wristwaterproof grade: not waterproofresolution: 240*240 dostrom: <128mb