7 Drum Pads with Touch Sensitivity - 2 Pedals Pad Layout.Built-in metronome function・the training of a good sense of rhythm.Not Built-in Speaker・You can have extra speakers.A new generation of portable drums・ light novel modelling design and carry on quite convenient・ as long as receive their folding curl into the sack can be carried everywhere・ an external headset or sound can play the piano playing immediately after・ in addition to external home theater・ audio equipment・ such as family・ parties to increase the atmosphere of joy.