YAMAHA Electronic Keyboard PSR 190.

The piano comes with no directions at all. That's piano in the Box.

The Yamaha PSR-190 is an electronic keyboard that is no longer in production. It is a portable keyboard with 61 full-sized keys and a variety of built-in voices and styles. It also has a built-in lesson function and the ability to connect to an external sound system or computer via MIDI. It is an entry- level keyboard and was popular for beginner musicians and home users.