This is a portable and multifunctional 37-key electronic piano for children. It helps develop kids interests in and cultivate their imaginations. Portable and lightweight it s suitable for playing both at home or in activities. Features: Children Electronic Piano Set: includes a small electronic piano an USB cable a 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 of notes and melodies delicate 37 black and white keys well designed for your child. Dual Supply Methods: powered by 3 AA batteries(not included) or external USB cable suitable for both home and 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: 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: horn on right is just for decorative while left one is sounding speaker.