Panel includes sustain pedal, triangle pedal and audio inputs & outputs, perfectly used for music arrangement and an ensemble. 【Double Keyboard & Control Panel】This 88 key weighted keyboard provides dual-tone mode for combining two voices together, like piano and drum, inspiring to make a new creation.The digital electric piano with 128-note max polyphony, players could distinguish tone clearly in Chorus & Reverb under various occasions. vividly presenting voices of different instruments, arousing your keen to learn music. 【238 Tones & 128 Polyphony】 The 88-key weighted keyboard loaded with 238 types of tone like Ukulele, drum, bass, etc.This 88-key weighted keyboard allows to adjust your desired playing style. 【Full-Weighted 88 key keyboard】The digital electric piano is constructed by 88 full-sized hammer action keys with adjustable touch response.