Features: 1.This multi?function keyboard piano is designed for beginners, with 61 mini?sized keys, suitable for children aged over 5 years old, promote the development of children's listening and stimulate their interest in music. 2.With 16 kinds of timbre, 8 kinds of percussion instrument sound effect, 10 kinds of rhythm, 6 demos, beat and volume are adjustable. 3.Portable size and double power supply system(USB charging or 4pcs of 1.5V AA battery) make it convenient to be used in both outdoor and indoor. 4.Uses safe and environmental protection materials, the delicate craftsmanship and smooth edges won't hurt the children's fingers. 5.Dual speaker design, more clear sound when playing. Supports music programming and allows kids to have fun in creating music. specification: 1. This multi-function keyboard piano toy is designed for children, with 61 mini-sized keys, promote the development of children's listening and stimulate their interest in music. 2. With 16 kinds of timbre, 8 kinds of percussion instrument sound effect, 10 kinds of rhythm, 6 demos, beat and volume are adjustable. 3. Portable size make it convenient to be used in both outdoor and indoor. 4. Uses safe and environmental protection materials, the delicate craftsmanship and smooth edges won't hurt the children's fingers. 5. With a microphone, help children to train ability of singing while playing the keyboard. 6. Single speaker design, more clear sound when playing. Supports music programming and allows kids to have fun in creating music. : Model: MQ-6121 Material: ABS + Electronics Color: as picture shown Keys: 61 keys Percussion Sound Effect: 8 Timbre: 16 Beat: 10 Demo: 6 Power Supply Mode: 4 x 1.5V AA battery (not included), USB Plug in Size: 66*19*5.5cm / 26*7.5*2.2inch Package List: 1 x Electronic Keyboard (no battery) 1 x Microphone 1 x USB Power Cable 1 x Manual Note: This product is not suitable for beginners to practice.