From Yamaha Wiki
The Yamaha PSR-225 PortaTone is an entry-level portable Musical keyboard produced by the Yamaha Corporation, commonly used by beginners. It features a set of learning tools, part of the Yamaha Education Suite. The Portable Grand function allows for realistic piano performance.
- 100 panel voices, 128 General MIDI voices, 10 drum kits; Polyphony: 32 notes maximum
- 61 standard-size keys with Touch Response and Dynamic Filter
- 6 track recording sequencer
- MIDI input and output ports
- Tempo, transpose, tuning, accompaniment volume, song volume, metronome volume