61-Key Electronic Keyboard features 61 keys 20 timbres 20 rhythms 8 demo songs and 8 types of percussion to make playing more fascinating which is ideal for beginners and hobbyists. Equipped with chord vibrato and sustain buttons it satisfies different playing demands and can connect headphone for private practice. Electric Piano - 61-Key Electronic Keyboard with 2-way speaker system & LCD display features 61 standard keys 8 percussions 8 demo songs to make playing more fascinating chord vibrato and sustain to satisfy different playing requirements external power or battery to choose designed for beginners and hobbyists. 20 Timbres & 20 Rhythms - Equipped with 20 timbres allowing you to explore versatile instruments such as acoustic piano electric piano bass organ drums; 20 popular rhythms to provide multiple choices when playing making practice more interesting & enjoyable. Record & Chord Function - Built-in recorder with playback function makes it convenient to keep clear track of your daily progress also help record your own music; Various chord types including Single Finger and Fingered Chord are ideal for novice & advanced players; Music sheet stand to keep sheet music handy & in place. Volume & Tempo Adjustment - 2 plus/minus buttons for 16-grade master volume control and 46-level tempo control easy to adjust the volume and tempo to your need with the press of a button. Multi-Functional Interfaces - Speaker output to connect external speaker for enhanced playing effect and atmosphere; Headphone connection for private practice you can play anytime you like without disturbing people 0: Specifications: - Overall Dimension(LxWxH): 37 x 14 x 4 1/2 (93.98 x 35.56 x 11.43 cm) - Voltage: 100 to 240 V - Amplifier Power Output: 5 W - Power Supply: 110 V or 8 pcs D Size Batteries - Net Weight: 11 Lbs (5 kg) Package Contents: - 1x 61-Key Electronic Keyboard - 1x Music Notes Stand - 1x AC Adapter - 1x Manual Notice: - Please note that while plugged into headphones the piano produces little noise and will not disturb your neighbors.