Portable 49 Keys Electronic Keyboard Hand Rolling Up Piano for Children Kids Beginners(Silver) Features: Mainly adopting plastic and silicone materials, soft and comfortable to play. Portable and lightweight, easy to carry and store. Built-in speaker and with 3.5mm output jack for connecting earphone or external speaker. With 6 demo songs and 16 timbres to support teaching function. A great musical gift for kids to develop their interests and hobbies. Specification: Condition: Material: Plastic + Silicone Type: 49 Key Power Supply: 3 * AA Batteries or DC 6V Adapter(Not included) Tone: 16 Rhythm: 10 Headphone Port: 3.5mm Demonstration Songs: 6 Dimensions(L * W * H): Approx. 83 * 22.5 * 3cm / 32.7 * 8.8 * 1.2in Keyboard Size(L * W * H): Approx. 73 * 17.1 * 0.3cm / 28.7 * 6.7 * 0.1in Weight: Approx. 905 - 913g Packing List: 1 x Rolling Up Piano * Other terms on pictures are not included.