This is a sauna watch, a supplement to the Otona no Kagaku Magazine Special. I purchased it new and have used it several times. It has some scratches from multiple uses, so please refrain from purchasing if you are sensitive to this. I am selling it to declutter before the end of the year. [Brand] Gakken [Category] Smartwatch [Included Items] Quick Guide * There is no box or warranty. Only the smartwatch is included. Please check the condition before purchasing, as this is a used item. Thank you for looking.