HQRP® Sustain Pedal Piano Style plus HQRP® Coaster; * Connector: 1/4 inch; The pedal is made in piano-style. * Has a specially designed lower rubber part allowing the pedal to stay in place while you play. * For all electronic keyboards, synthesizers, tone modules or drum machines with 1/4" phone jack sustain-pedal input. * 200 days warranty!