Casio LK110 Electronic Keyboard Key Lighting / Midi Keys 61 (full) - Polyphony (maximum) 12 -Key Lighting System Yes (on/off) Preset Tones 100 - Rhythms 50 - Auto-Accompaniment Yes -Tunes 100 Song Controller - Lesson Function -Key Transpose - Tuning Control Mixer - LCD - Sustain Terminals - Phones/Output Terminals Mic In Terminals - MIDI IN/OUT Terminals - Speakers (dia x qty) 10cm x 2