[]Switchable polarity - the sound of keyboard playing, give you realistic sustain for an electric piano. and Springy- Dual polarity Switch underneath for sustain, with 1/4 Input and 5 Foot Cable.[Universal compatibility] universal compatible with all keyboards and electric pianos on market,such as:,,Korg, and More.No worries about compatibility,it will play nicely with all of your synths,keyboards and digital pianos.[Heavy-duty & Non-] The consists of a heavy-duty plastic shell, a metal base plate, a metal mechanical structure, a chrome-plated metal pedal, and a rubber pad. This results in a rough bottom surface, low center of gravity, and heavyweight. Or the friction of to prevent you from sliding when using it[Prefect sound]Designed to work and feel just like acoustic piano's , enrich your Pianos Tone Design:The high-light alloy pedal designed according to the habit of trampling angle of musicians is durable, convenient and comfortable to use.Good for All: can strong compression from the positioning column. Chrome plated foot pedal with expressive half-pedal capabilities can prevent rust and corrosion and last .Non- design:At the bottom of the pedal, there are four high-tenacity non- mats, which can prevent the pedal effectively from moving.Just Enjoy It: is the perfect product for keyboard players who the most realistic pedal action. Enjoy Audio and Classic Style with Sustaining Pedal. Enrich your Pianos Tone.Colour:Black+goldMaterial:Plastic + MetalSize:Cable length 130cmPlug 6.5mmWeight: 350g(With box).Package Contents:1 x sustainer