The Survival Kit 88B from Yamaha contains everything needed to get the most from a Yamaha portable keyboard. This kit contains a felt key cover, headphones, and DVDs with plenty of learn to play software, digital owner's manuals and information on other Yamaha products.
Additionally, the kit provides a two-year extended warranty and over $200 of rebate coupons for Yamaha instruments and accessories.
Note! The included warranty extension does not extend DGX-640's 3-year warranty.
Yamaha Survival Kit 88B - Electronic Piano Accessory Package