The Korg Volca FM is a compact synthesizer that emulates classic FM synthesis, allowing users to create a wide range of sounds. It features three-voice polyphony and a built-in sequencer, making it suitable for both live performances and studio work. The device is powered by batteries or an AC adapter, enhancing its portability. With a user-friendly interface, the Volca FM includes 32 preset sounds and the ability to create and save custom patches. It also offers MIDI connectivity, enabling integration with other MIDI devices and software. This makes it a versatile tool for musicians and producers alike.