Keyboard enthusiast controller (condition : operation failure * Please refer to the remarks for details)

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

* This item is in the following condition.
- The black key at the right end is not recognized.
* Operation is defective.
Regarding this product, we will not make inquiries or respond to any malfunction or failure that occurs after purchase.
This product is sold under the condition described above.
We do not accept any questions, returns, claims, etc., so please be aware in advance before purchasing.