SONY Genuine Car Audio Remote Control RM-X112 Almost Unused, Warranty Included It has very little signs of use and is very clean. There was a film on the battery cover before the operation check, so it is probably unused. Operation has been confirmed. (Infrared emission only, not confirmed with the actual device) I do not smoke. I do not have any pets. Regarding the operational guarantee, if there is a problem, I will respond if you report it before the receipt notification. Round battery (CR2025) is not included. It will be shipped by anonymous delivery.