I don't know when it was purchased or how long it was used. Box included. Box has scratches and writing on it. No instruction manual. Mat included. Operation confirmed. The back of the main unit is yellowed from sun exposure. The mat has some stains. The main unit has some scratches. (Difficult to see in the photos, but see photos 6 and 7) * We do not ship to Okinawa or areas with relay charges. * Shipping to Hokkaido and Kyushu regions will be an additional 500 yen for shipping, so please contact us in the comments.