Product Name: Aiersi 61 Keys Roll up Piano MIDI Flexible Electronic Soft Keyboard Model NO.: A61 Condition: New Certification: CE Customized: Customized Plastic Type: Silicone Age: Children Brand: Aiersi Material: Silicone Number of Keys: 61 Style: Single Keyboard Electronic Organ Type: Piano Custom Brand: Yes Trademark: Aiersi Transport Package: Colour Box Specification: 16.3 x 7.71 x 4.92? Origin: China Product Description Features:1.61Key (C2~C7) standard tone 5 tone group +1 key.2.128 kinds of tone, 100 Rhythm, 40 Demo songs.3.LCD display.4.Volume adjustment knob, Rhythm,Tone control keys.5.Recording, programming, play function.6.Demonstration jukebox.7.Dual keyboard functions.8.Start / stop, sync, insert function keys.9.MIDI function. Can be directly connected to the computer, playing the use of MIDI software,MIDI OUT connection line is required to edit music10.2 step teaching function.Specifications:Material: silicone rubber (keyboard); ABS plastic (control panel)Instrument type: silicone pianoColor:SliverProduct size: 415 x 196 x 125mm/16.3 x 7.71 x 4.92″Internal loudspeaker: can connect external audio / headsetDimensions: control box (body): 230 (W) x 95 (H) x 31 (D) mm, Keyboards: 880 (W) x 168 (H) x 6 (D) mmPower supply: 4 AA batteries (can play 15 hours)(not include),Or DC6V 500MW (Notice: Donot use battery and DC power at the same time)Packages:1 x 61keys Roll Up Piano1 × Power Adapter1 × User manual