Size: 28*18*7CM Output power: 500MW Basic accessories: manual, USB charging cable Function: 8 sets of rhythm drum / one key and one tone / record and play function / 16-level volume control / / 32-level rhythm control / automatic power saving function / hot key on the keyboard surface, convenient to adjust your favorite rhythm Suitable for Music Beginners: With 6 demo songs and 16 tones to support teaching function. Silicone material: The foldable piano keyboard with 49 keys is made of natural soft silicone, which is environmentally friendly and kind, is soft and comfortable and will not break after long time use, elegant body design, visual enjoyment and comfortable touch feeling. Good Christmas/Birthday Gift Idea: This piano can be rolled up, it is portable and foldable. Easy to carry and store. A great musical gift for children to develop their interests and hobbies.