Amazon.com: MaxLLTo 6ft Extra Long AC Power Replacement Adapter for Casio WK-110 WK-200 WK-210 WK-3700 Keyboard Charger Power Supply Cord : Musical Instruments
AC ADAPTER Cord For Casio WK-1250 WK-1300 WK-1350 WK-3700 Keyboard Power Supply | eBay
Casio 76-key keyboard wk-3700 for Sale in Elk Grove, CA - OfferUp