This is the charging case only for the SONY WF-LS900N (LinkBuds S). [Operation Status] ・Case: No problems with charging function (power on/charging OK) The exterior has been cleaned, and there is no significant damage. However, please understand that this is a used item and may have some minor scratches or signs of use. *Please purchase with the understanding that this is a used item and not covered by any operational warranty. It will be carefully packaged and shipped via Yu-Packet Post.