CASIO DG-20 Digital Guitar When batteries are inserted, no sound is produced, treated as junk. For parts only Other detailed operations have not been confirmed. As it is an old item, it will be sold as-is. Please understand that the usage period and purchase date are unknown. It has been stored, Cracks, rust, scratches, dirt, etc. are also visible. We will ship using recycled cardboard wrapped in bubble wrap. We cannot guarantee against damage or malfunction during transportation, so we do not accept returns or exchanges. Please check carefully before purchasing. Sold as-is. We do not accept any returns, refunds, or exchanges for junk items. After purchase, please no claims, no returns.