Product Description Constructed by full Weighted Hammer Heavy Action Key Digital Piano. Gives you a grand piano touch Functions: Metronome, Touch/transpose control, Split/Touch Control, Volume Control, USB, Midi input/output, Record/Play, Audio input/output. Through the connection of Midi input and APP, you can realize the follow-up function, easy for beginners to learn. 3 Pedal System: Soft pedal-Soften the tone; Sustain pedal-Continuously increasing lengths of sustained notes, from slight to full; Sostenuto pedal-Press the pedal halfway down to get a partial damper effect Easy to Learn: The keyboard piano 88 key layout is split into dual keyboards for an effective teaching mode. Keyboard Action: Full Weighted Action Metronome: Yes Touch/transpose Control: Yes Split/Touch Control: Yes Number of Keys: 88 Keys Connectivity MIDI Connectivity: MIDI over USB Bluetooth: Audio Bluetooth and MIDI Bluetooth Recording: Yes Pedal Inputs: 3 Pedal Onboard Features: Recording, Playback, MIDI Sequencer