99% New, ZERO scratches! 100% authentic! The P Series, loaded with real piano and rhythm functions, is now compatible with iOS apps! Simple operation makes playing even easier. The P-115 is our new model that offers increased piano performance and rhythm functionality, as well as simple iOS app operation. The P-115 uses Yamaha's "Pure CF sound engine," This piano sound was recorded from Yamaha's renowned CFIIIS concert grand piano, heard on stages all over the world. In addition to the advanced piano sound, the improved damper resonance function recreates the reverberation of a grand piano, allowing for a finer level of nuanced expression. Enjoy key response like that of a full concert grand piano.