Item Type: Electronic Drum Pad SetProduct Material: SiliconeProduct Size: Approx. 483 x 324mm / 19 x 12.8inBattery Type: Lithium Battery(Delivered with supporting battery)Battery Capacity: 1000mAhDual Speakers: Built-in stereo speakers, can be used as audioProduct Tone: 12 demo songs, 6 drums, 9 accompanimentProduct Functions: MD, recording, audio input and other functions. Power Supply: USB/DC 5V rechargeable lithium batteryConnected Equipment: Supports MD output, able to connect to computer or tablet to use MIDI software and electronic drum game. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 19-drum-pad standard design promises more enjoyable playing experience just like a real drum set. 2Equipped with dual built-in speakers, sound sources, accompaniments, and recording function. 3No need to be plugged in, and can be played continuously for about 12 hours when fully charged. 4USB MIDI port allows for connection to computer, tablet and phone for more convenient playing. 5The soft and light weight pad can be rolled into a compact size for easier carrying and storage.