The product specifications explained on this catalog page are only applicable to models sold and shipped by Amazon.co.jp. Even with the same model number, the specifications are different depending on the manufacturer, so please contact each seller directly for products that are sold by other sellers or businesses. ■ About the product **Elgato offers a 2 year **after purchase. ■About the consultation window, there may be fear of initial defects, faulty or repair requests for products that are "sold/listing" is "Amazon.co.jp", but please contact us with the following inquiry. Global Support Window (Mailform) https://gp.supportweb.jp/- - Corsairs Elgato brand products can be connected and used with a number of devices, so they are determined by initial failure at the window. Thank you for your cooperation.