Versatile Compatibility | Designed for use with electronic keyboards and digital pianos from NU-X and most other brands, making it a versatile choice for various instruments Polarity Switch | The inclusion of a polarity switch allows for normally-open or normally-closed options, ensuring compatibility with different keyboard and piano models Durable Construction | The metal housing with an anti-slip rubber base provides durability and stability, preventing the pedal from slipping during use Generous Cable Length | The 2-meter cable length offers flexibility in positioning the pedal relative to your instrument, enhancing convenience during performances or practice sessions Standard Connection | Equipped with a standard 6.3mm jack plug, it ensures easy and reliable connectivity with most electronic keyboards and digital pianos