1. Piano Sustain Pedal, High-performance Electronic Keyboard Synthesizer Digital Piano Pedal, with Cali Polarity Switch Universal Sustain Pedal: Classic design, suitable for any electronic keyboard, digital piano, etc. 2. Sturdy and Durable: Made of high-quality chrome-plated materials to prevent deformation. The high-quality rubber shell extends the service life of the shock absorber. 3. Anti-slip Design: The non-slip rubber bottom grips the floor to ensure the pedal is perfectly fixed. 4. Strong Compatibility: There is a switch on the side of the pedal, with a 6.35mm jack input. It has good compatibility and is suitable for various brands of pianos/keyboards. 5. Quick Response: When playing the piano or keyboard, the notes will respond quickly to the depressed sustain pedal, and the sound quality will be richer. One wire can move the pedal under the piano to the optimal position. 6. Thank you for purchasing products from our high-quality store. Have a nice day!