Amazon.com: Inovat Replacement 10FT USB A Male to B Male Cable Cord Data Transfer Host Cable Cord for Casio CTK-2400 CTK-4400 CTK-6200 61-Key Keyboard : Electronics
Amazon.com: HQRP Elastic Keyboard Dust Cover compatible with Casio CTK-691 CTK-7000 CTK-720 CTK-800 CTK-810 CTK-811EX Digital Piano Synthesizer : Musical Instruments