The multi-function synthesizer is perfect for kids who are just starting their musical adventures and those who want to improve their skills. Recommended for children from 5 years of age. You can connect the synthesizer to electricity - USB charger (included) or use AA 4 x 1.5 V batteries (not included). Specifications: - On/off button - Keyboard 61 keys (36 white keys + 25 black keys) - Digital display - 200 sound tones - 8 drum combinations - Chord button - 200 sound rhythms - Programming button - Sound adjustment - Tempo control button - START/STOP button - Record button - LESSON button - 60 DEMO tunes - VIBRATO, ECHO sound effects - METRONOME function, 4 kinds of tempo - Loudspeaker Included: - Keyboard - Charger - Microphone - Music holder - Instruction Dimensions: 80 x 8.5 x 25 cm