Unused, but has been stored at home. The hydrogen water box is damaged, so please be aware of this if you are interested. Stick set for producing hydrogen water and alkaline ionized water - Model Name: MY BOTTLE PLUS+ H (Hydrogen Water) & ION (Alkaline Ion) Stick - Country of Manufacture: Japan - How to Use: Use in a water bottle - Features: Production of hydrogen water and alkaline ionized water Thank you for looking.