Arranger keyboards are electronic musical instruments designed to help musicians create music easily. They come with built-in styles and rhythms, allowing users to play chords and have the keyboard automatically generate accompanying music. This feature makes them popular for solo performers and songwriters. These keyboards often include various sounds, effects, and recording capabilities, making them versatile tools for music production. Many models also have features like MIDI compatibility, enabling them to connect with other devices. Overall, arranger keyboards are user-friendly and ideal for both beginners and experienced musicians looking to enhance their performances.