Welcome! I am unsure of the period of use or frequency. ※Items not listed are not included, so please check carefully※ Included items: Main unit, cover, USB charging cable Condition: Operation confirmed! There are scratches on the cover and body due to use. There are no scratches on the plates. We have cleaned and disinfected as much as possible. ※We are also listing on other sites, so please confirm with a comment! Also, this page will be deleted once a deal is made※ #Kinujo #kinujo #Iron #Hair iron #Cordless hair iron