[MultiFunctional & Buld-in-Headphone Jacks] This electronic piano keyboard features MP3 player, recording function, 47 kinds of tones, 128 kinds of rhythm, 14 demo songs, an ideal gift for beginners and children. Allow you to play and practice without disturbing people near you. Enables you and your kids to enjoy music without any worries[Enjoy Music Anywhere] Roll up design, portable and durable, you can easily roll it up for storage or take it to anywhere you want. Powered by built-in lithium batteries, wireless and rechargeable, play it anytime[Non-Toxic Silicone] Roll up piano is made of harmless silicone, giving you comfortable hand feeling, fine workmanship with beautiful colors, making it a good educational toy for your kids[Ideal Gift Choice] Nice toy which can make your child mesmerized and stimulate their interest of music.Ideal options as gifts for birthday/holiday parties, Thanksgiving, Christmas, New Year, etc.Specifications:Power supply: 350mAh built-in lithium batteryProduct material: food grade environmental siliconePower parameter: DC5V/1AProduct voice: 47 kinds of tones, 128 kinds of rhythmOutput power: 2WDemo song: 14Product frequency: 440HzConnected device: mobile phone/headset/computerProduct size: 80.5 * 12 * 13.3cmPackage included:1 x 49 Keys Piano Keyboard