Feature: 1. EXCELLENT MATERIAL: This standard 61 key rolling piano use a environmentally friendly silicone keyboard, which is non toxic, wear resistant, soft. The sound is very crisp, and the vivid sound makes you feel like a real piano 2. MULTI FUNCTION: This rolling piano keyboard has built in speakers, and the sound is soft and crisp. Also support external headphone. There are 16 tones, 6 demo songs and other sound effects. You can play any melody you want, or use the recording function to play the music you play. Powered by 3 AA batteries(not included) or USB data cable, you can practice at any time 3. EDUCATIONAL TOY: This piano has recording and playback functions, which is very professional and suitable for beginners to practice. A variety of keyboard sounds and demo songs, recording playback, reply or sustain, built in speakers, with volume control, sound output 4. BEST GIFT TO CHILDREN: The piano keyboard is a good playing toy, suitable for children over 3 years old, more attractive to children, small in size and easy to carry. Can be given as a special gift to children, friends or family, also a good gift on birthdays, Christmas and visits 5. EASY TO STORE AND CARRY: You can play an electronic foldable roller piano anytime, anywhere. Suitable for people of all ages, such as beginners, children and adults Specification: Item Type: Roll Up Piano Material: Plastic, silicone Power Supply: 3 x AAA batteries(not included) or USB cable Features: Recording, playback, start or stop function Connectivity: Support external speakers, headphone, tablets. Package List: 1 x Roll Up Piano 1 x USB Power Cable 1 x User Manual