Every button on toy have their functions. It can practice children's imagination, finger power, hand-eye coordination and also bring pleasure. Features: Mini size, lightweight and durable. 37 keys electronic keyboard. 1 power button to control turn on and turn off. 1 tone button for controlling 3 tones of electronic organ, accordion and piano. 1 volume button for switching high and low volume. 1 tempo button for switching fast and slow tempo. 1 effect button for controlling 2 sound effects of normal electronic organ tone and prolonged tremolo. 1 demo one button for a demo playing. 1 demo all button for 24 demos playing. 1 lesson/rhythm button for practicing and accompany playing of 8 rhythms. 1 stop button for stopping temporal playing. 1 speaker offering loud, clear and melodious sound. 1 installable microphone connecting with keyboard and sound coming out from speakers. 1 groove on the back of keyboard for storing microphone conveniently. Practice children's music talents, imagination and also bring pleasure. Specifications: Material: Plastic Color: Black Function: Educational Toy Type: Electone Power Supply:4 * 1.5V AA Batteries (Not included) Item Size: Approx. 33 * 10.5 * 4cm / 13 * 4.1 * 1.6in Item Weight: 308g / 10.9oz Package Size: Approx. 34 * 11 * 5cm / 13.4 * 4.3 * 2in Package Weight: 373g / 13.2oz Packages List: 1 * Electone 1 * Microphone Toy