The guarantee of the goods is the guarantee of Japan. When using it overseas, there are no guarantees. It's repaired in Japan in case of repairing. You send shipping charge by a customer burden. A guarantee period is 1 year from purchase.
We're inspecting goods. Goods can't be returned. When goods were broken, arrival make a contact to us within 7 days, and please return goods. Shipping charge of sending is a customer burden. As soon as goods arrive, exchange goods are sent. When having passed for more than 7 days, it can't be exchanged. It'll be repairing.