Kurzweil M70 88 note, standard-size hammer keys with touch response The M70 features a variety of instrument choices and supports custom split and layer combinations.The M70 offers a built-in, easy to operate, MIDI recorder. MIDI and audio over USB, along with an analog line out and two headphone jacks.There are hundreds of songs built into the M70 for your musical enjoyment. These songs have separate left and right-hand parts that can be turned on and off as required so you can practice the corresponding part on the piano.Sustain, Sostenuto and Soft Pedals standard.