Hamzer 61-Key Digital Music Piano Keyboard - Portable Electronic Musical Instrument - with Microphone FLAWLESS, AUTHENTIC RANGE OF SOUND: Built-in speakers offer tremendous sound, complete with 255 Timbres, 255 rhythms, 61 keyboard percussions, and 24 demonstration songs. INTEGRATED LEARNING SYSTEM: Designed for beginner to intermediate-level use, this multi-function keyboard piano features 61 standard-size keys, providing a traditional piano or organ feel for versatile learning and an exciting acoustic experience. With advanced sound options and an LCD display for easy settings control, keyboard comes with a detachable stand to hold sheet music. DELUXE EFFECTS & FEATURES: Ideally suited to master finger control, this portable piano keyboard allows for play of single-fingered and fingered auto-bass chords, with the capacity to select chord timbre, program/edit rhythm, as well as utilize effects such as vibrato, sustain, & ensemble. Additional features include rhythm sync and fill-in, tempo adjustment, accompanying volume, and a master volume control. RECORD & PLAYBACK, with MICROPHONE & HEADPHONE JACK: Belt out in song or discreetly practice on headphones, along with the option to record and playback for improved performance. Includes microphone with a 4' cord, audio input, output, and headphone jack. EASY TO USE & PORTABLE: Ready-to-use right out of the box, just power with 6 AA batteries (not included) and take this compact, lightweight musical keyboard on the road or to lessons, or use the US-standard 110 -120 volt power adapter and plug into the wall for extended play sessions.