Feature: 1. Universal Compatibility: This universal sustain pedal is suitable for MIDI keyboard controllers, digital pianos, electronic pianos, synthesizers, etc., with good compatibility. 2. Durable Materials: The keyboard sustain pedal adopts metal housing with non slip rubber surface, ensuring excellent durability and good stability, and has a long service life. 3. Non Slip Design: The sturdy non slip bottom and foot pad can secure the pedal in place, providing reliable performance every time, suitable for daily practice or stage performance. 4. 1/4 Inch Interface: Built in flip polarity switch with 1/4 inch (6.35mm) plug, this sustain pedal is compatible with any instrument with 6.35mm input for multifunctional control. 5. Convenient Operation: The electric piano sustain pedal is compact and lightweight, which is easy to connect, store, and carry, making it convenient to use anytime, anywhere. Specification: Product Name: Electric Piano Sustain Pedal Material: Metal, Rubber Pedal Size: Approx. 96 x 72mm / 3.8 x 2.8in Application: Suitable for MIDI Keyboard, Digital Piano, Electric Piano. Package List: 1 x Electric Piano Sustain Pedal 1 x Chinese English User Manual