61 KEYBOARD KEYS: This Portable Electronic Piano Keyboard is equipped w/ 61 keys, built-in full range stereo speakers, and a music sheet stand holder. Features a simple electronic plug-in operation so you can play a wide range of piano pieces | PRESET SELECTABLE TONES: This mini black piano organ comes packed full of multiple preset selectable keyboard sound, tone and rhythm styles with an integrated button drum pad so you can add a drumming effect to your music | AUX AUDIO INTERFACE: The aux (3.5 millimeter) jack/mic input allows you to plug-in a wired mic and connect and stream audio from external devices. It is equipped with a high capacity 3.7V Li-ion rechargeable battery. Includes USB power adapter, audio cable | RECORD AND PLAYBACK MODE: These professional electric digital musical keyboards allow instant audio recording and playback so you can review and monitor your performance. Perfect for learning practice/studio, home theater living room performances | Microphone FUNCTION: Play and sing along to the music w/ the included wired microphone. The beginner-friendly musical piano has a digital LCD screen and adjustable volume control so you can balance the audio to your liking. Fun for both kids and adult