Feature:1. The black and white nonslip round button feels comfortable and sensitive, and multiple sets of voice changers are available for adjustment.2. 22 key 8 bass professional accordion, very suitable for professionals to play and test grades, can also be used for beginners to practice.3. Made of highquality ABS, wood, metal and other materials, handpolished, more stable intonation.4. Comes with an accordion backpack for storing accordion and easy to carry, and two straps make easier to hold while playing.5. This accordion is simple and easy to play, which helps cultivate musical talent and improve sense of rhythm.Specification:Item Type: AccordianMaterial: Engineering ABS + stainless steel + solid wood + reed + celluloidSize: Approx. 26.5 x 29.5cm / 10.4 x 11.6in.Package List:1 x Accordian2 x Strap1 x Accordion BagNote:The color of the button is random.