They are all percussion instruments from Africa and Cuba. First of all, their appearances are different. Bongo has a small drum, and two different sizes are a pair with a high voice. Konka toner cartridge is oblong and barrel-shaped, and can be equipped with a bracket. They can be combined into different sizes. Generally, many Latin-style music is played by two groups, and Konka and Bongo use it together. The similarity is that they are all covered on the top and there is no drum skin under them. At present, the better brands are Maier, LP, REMO and so on.