This is a portable and multifunctional 49-key electronic piano for children. It helps develop kids' interests in music and cultivate their imaginations. Portable and lightweight, it's suitable for playing both at home or in outdoor activities. Features: Children Electronic Piano Set: includes a small electronic piano, an USB cable, a mini microphone for singing while playing piano and an audio cable. It helps develop kids' interests in playing piano. Multifunctional USB Electronic Organ: with a variety of built-in sounds and rhythms--16 tones, 8 rhythms, 6 demo songs, 5 percussion, it also has functions of volume control, tempo control, program, record, play/sound effect, one key for one note, fill-in, and single finger chord. Full-sized Keyboard with 49 Keys: allowing your child to play a wide range of notes and melodies, delicate 49 black and white keys, well designed for your child. Dual Power Supply Methods: powered by 3 AA batteries(not included) or external USB cable, suitable for both home and outdoor activities such as camping, picnic, etc. Portable & Lightweight: weighs only 1.3lb without battery, suitable for children above 3+ to carry by themselves to develop independence. Equipped with Microphone: the mini microphone is a nice accessory for your kids to sing while they playing. Specifications: Material: ABS Key: 49 keys Tone: 16 Kinds Rhythm: 8 Kinds Demo: 6 Songs Volume Control: Support Tempo Control: Support Program: Support Record: Support Play/Sound Effect: Support One Key for One Note: Support Fill-in: Support Single Finger Chord Powered: 3 * 1.5V AA battery (NOT included) or USB cable Microphone Size: 107 * 34 / 4.33 * 1.34in Item Size: 528 * 187 * 55mm / 20.79 * 7.36 * 2.17in Item Weight: 605g / 1.33lb Package Weight: 791g / 1.74lb Package Size: 53 * 19 * 5.8cm / 20.87 * 7.48 * 2.28in Package List: 1 * Electronic Keyboard 1 * USB Cable 1 * Microphone Note: The horn on the right is just for decorative, while the left one is the sounding speaker.