Breath checker with digital display and breath odor check function. If you are concerned about your breath odor, please try using it. You might not smell as bad as you think! If you don't trust just one, try comparing them as it's a set of four! We also sell books as a set. They cover various topics about breath odor! This is the ultimate set related to breath odor! Please consider it! Also, you can request changes to your name, etc., when shipping! Breath Checkers ・kc-02 ・kc-01 ・TANITA HC-212S ・Ballpoint pen breath checker ・"Concerned about Breath Odor, Body Odor, and Age-related Odor" Tsuneaki Gomi Price: ¥940 #TsuneakiGomi #Tsuneaki_Gomi #Book #Nature/Medical Science/Health ・"No More Worrying About Breath Odor! Everything About Breath Odor Treatment That No One Has Written" Shunichi Honda Price: ¥1300 #ShunichiHonda #Honda_Shunichi #Book #Lifestyle/Household ・"Dentist's Devised Detox Gargle" Yuko Teruyama Price: ¥1200 #YukoTeruyama #Teruyama_Yuko #Book