We say :

Roland's FP-E50 is a fantastic addition to the FP range. It's kind of a mix between an FP-30X piano and a more traditional electronic keyboard, with loads of additional sounds and accompaniment patterns available alongside the classic FP piano samples.

Roland say : 

The FP-E50 brings you a premium digital piano experience—and so much more. This fun portable instrument is filled with Roland’s top technologies, providing a complete creative hub for learning, performing, and writing music.

Develop and perform authentic piano techniques with the SuperNATURAL Piano engine and 88 weighted-action keys. Explore synthesizers, orchestral voices, and more with the advanced ZEN-Core sound engine, backed by interactive accompaniments that put you in control of a full band. Connect a mic and sing with vocal effects and real-time harmonies. And go further with Bluetooth® audio/MIDI support, onboard recording, computer connectivity, and numerous expansion options on Roland Cloud.