The JUST MIXER S is an ultra-small and versatile 3-channel audio mixer that can be used with mobile phones, tablets, and computers. It comes with independent volume adjustment buttons, making it easy to control the levels of each input. With its microphone input support, the mixer is perfect for outdoor parties, video production, and even teaching. You can connect it to various devices such as game consoles, mp3 players, and smart speakers to mix different audio sources together. This feature is especially useful for teachers who need to mix different audio sources for their presentations or online classes. The compact size of the JUST MIXER S also makes it easy to carry around and use on the go.