1. Suitable for pianos, electronic pianos, MIDI keyboards, synthesizers and other equipment 2. Metal and plastic contact parts are added with silicone pads to give the pedal a protective function, reduce friction, prolong life and effectively reduce noise 3. Pedal includes a polarity switch, suitable for most electronic pianos, keyboards, synthesizers and digital pianos, compatible with 1/4-inch inputs 4. Rubberized foot pedals to avoid slipping and provide durability 5. Made of ABS engineering plastic with chrome plated finish for a beautiful appearance 6. Plug: 6.35mm 7. Material: ABS+metal 8. Size: about 23 x 7.5 x 6cm 9. Weight: about 350g