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. Multifunction Keyboard: With 37 keys, one key for one note, 4 tones, 4 rhythms, 10 preset piano demos, supports record/ stop/ play/ volume adjustment. Multiple Interfaces: With microphone jack, audio in jack, headphone jack and USB charging interface. Headphone jack allows kids to play silently without disturbing others. Dual Power Supply Methods: Powered by 3 AA batteries (not included) or external USB cable (Type-C), suitable for both home and outdoor activities such as camping, picnic, etc. Portable & Lightweight: With portable handle for easy portability, weighs only 408g without battery, suitable for children above 3+ to carry by themselves to develop independence. Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Red Material: PVC Keys: 37 Tone: 4 Kinds Rhythm: 4 Kinds Demo: 10 Songs Volume Adjustment: Support Record: Support Suitable Age: 3+ Power Supply: 3 * 1.5V AA Battery (Not included) or External USB Cable Cable Length: 90cm / 2.95in Item Size: 425 * 155 * 40mm / 16.73 * 6.10 * 1.57in Item Weight: 408g / 14.37oz Package Size: 43 * 16 * 4.5cm / 16.93 * 6.30 * 1.77in Package Weight: 562g / 1.24lbs Package List: 1 * Electronic Piano 1 * USB Cable (Type-C) 1 * Mini Microphone 1 * Audio Cable