Microphone function The 37 keys keyboard piano is equipped with a cute microphone, kids can sing while playing. It is recommended to use the microphone to beat the rhythm while playing the piano, this can bring a lot of fun. Best gift for kids The color of this kids piano keyboard is a best gift for girls 3/4/5/6 years old for birthdays, Children's Day, Christmas, New Year's Day or other festival. Product information you should know Size: 43*16*5.5cm/16.9*6.3*2.2inch Keys: 37 keys Tone and rhythm: 8 tones/8 rhythm styles Demo: 19 demo songs Speaker: Left loudspeaker