This is a harmonica that came with the DVD collection "Beautiful Songs of Japan." It's pocket-sized and easy to carry around. It's also recommended for those who want to easily start playing an instrument. 10-hole, C key Length: Approximately 10cm ■ Set Contents Harmonica, cloth, case Please refrain from purchasing if you have any concerns about the product or if you are a nervous buyer, as this item has been stored at home.