"18 Month Warranty 88 Key progressie counterweight keyboard Dream Source of France Number 64 Polyphony 31 Mixed voice 8 Trimbes, 40 etudes Trimbe : Used to select 8 trimbes, dual trimbes, recording and playing fuctions Effect : Used select revetberation, chours and beat MIDI: 1 change and the keyboard streght 2. Control external midi funcition (external computer or MIDI Equipment) MP3 play/pause/volume control +/- built in USB interface, can directly play U disk MP3 songs) Recording and playback : Double Track recording and playback Glossy Finish"