RockJam Universal Sustain Pedal for Electronic Keyboards and Digital Pianos With Polarity Switch, Anti-Slip Rubber Bottom and 5.9 ft. Cable UNIVERSAL: The RockJam Sustain pedal includes a polarity switch making this compatible with any brand of electronic piano, keyboard, synth and digital piano with a 1/4 Inch input. DURABLE: The RockJam Sustain pedal is designed to last and features rubber feet to avoid slipping, no matter on the environment in which you play. CLASSIC: The RockJam Sustain pedal is manufactured to replicate the feel of a traditional acoustic Piano's sustain pedal and is a great option for both new and experienced keyboard players and acoustic piano players alike. FLEXIBLE: The RockJam Sustain pedal feature over 5.9 feet of cable meaning that no matter on the size of your Digital Piano, Keyboard, Synth or stand. QUALITY: The RockJam Sustain pedal features a chrome finish and is crafted from string and components to not only look but feel great.