This is a portable and multifunctional 37-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--8 tones, 8 rhythms, 6 demo songs, 4 percussion, it also has functions of volume control, tempo control, animal song effect, song record, and song play. Full-sized Keyboard with 37 Keys: allowing your child to play a wide range of notes and melodies, delicate 37 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 less than 500g, 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: 37 keys Tone: 8 Kinds Rhythm: 8 Kinds Demo: 6 Songs Percussion: 4 Percussion Volume Control: Support Tempo Control: Support Animal Song Effect: Support Song Record: Support Song Play: Support Powered: 3 * 1.5V AA battery (NOT included) or USB cable Microphone Size: 107 * 34 4.33 * 1.34in Item Size: 430 * 163 * 53mm 16.93 * 6.42 * 2.09in Item Weight: 469g 1.03lb Package Weight: 611g 1.35lb Package Size: 43.5 * 17 * 6cm 17.13 * 6.69 * 2.36in 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.