Our electric piano has all the indispensable functions of recording, metronome, vibrato and sustain, drum kit, transpose, and 2 chords that you need to compose your melodies. And the semi weighted key makes the timbre and sound more musically expressive, displaying the most delicate differences. It can be split for duet play. And the blue-tooth Midi function adds the assistance of phone apps, and laptops while the blue-tooth audio function delivers the online songs through the speakers with a flawless sound. It is fun to play with 128 tones, 128 rhythms, and 20 demos. With 2 teaching modes, this portable piano is beginner-friendly, but also suitable for senior players to operate and play music through an Lcd display, control buttons, and an encoder.