Plixio 61-Key Digital Electric Piano Keyboard & Sheet Music Stand - Portable Electronic Keyboard for Beginners (Kids & Adults) GREAT LEARNING KEYBOARD: Can be used by children or adults and makes a great first musical instrument. Plixio's 61 key keyboard is lightweight and portable. Great for music lessons. DUAL POWER SUPPLY FOR ON-THE-GO PLAY: Customize the sounds of your music keyboard and play along with your favorite songs. Musicians that frequently travel can also utilize the dual power supply by using the included power adapter or 6 AA batteries for on-the-go practice. VARIETY OF SOUND EFFECTS AND MICROPHONE: Each keyboard features 100 rhythms, 60 demo songs, 40 tones, 8 percussions, and volume or tempo control. Grab a microphone and turn your keyboard into a karaoke machine! Please note this keyboard does not include a USB port. INCLUDED COMPONENTS: Each keyboard includes a power adapter, music note sheet music stand, and auxiliary cable. This music keyboard also automatically comes with a full one-year warranty that protects against any damage or defects. LIGHTWEIGHT AND EASILY PORTABLE: Weighing less than nine pounds, each piano is portable and easy to carry to music lessons or school. Dimensions are: 34 x 12 x 3.5.