winsun dm19 smart watch men 4g andriod 7.1 8.0mp camera mtk6739 quad core 16gb rom ip67 waterproof smartwatch fitness tracker wifi gps

brand name : prettylittle mechanism : yes sim card available : yes system : android os gps : yes type : on wrist compatibility : all compatible rom : 16gb function : passometer function : fitness tracker function : message reminder function : call reminder function : answer call function : dial call function : remote control function : push message function : 24 hour instruction function : alarm clock function : power reserve function : week function : month function : heart rate tracker functio