Features: Materials: pedal is made of environmental ABS, very durable. Its opening and closing part can be repeated opening and closing 20000 times based on lever principle. Anti-skid Bottom: bottom of sustain pedal is equipped with four anti-skid silicone pad, which makes pedal not sliding during use. Silent Design: Adopt silent design. Only make a low decibel ticking sound during use. Diamond Lines: With exquisite appearance. After many design reform, combining with several generations of pedal design styles, finally create diamond-lines style, in line with preference of most users. 3.5mm Audio Head: 3.5mm audio head can be perfectly combined with hole position of musical instruments, no loosening, no electric leakage. Specifications: Model: J-01-3.5 Product Name: Universal single pedal for musical instruments Material: Environmental ABS Color: Black Applicable Equipment: For portable roll- piano, electronic keyboard, elctronic roll- drum and other musical instruments Connection Interface: Single pedal / single interface Product Applicable: Generic brand model Product Effect: Sustain / mute effect Extension Cable Length: 1.8 meters Item Size: 10 * 7.5 * 3cm / 3.9 * 3 * 1.2inch Item Weight: 79g / 2.8oz Package Size: 10.5 * 9.5 * 3.6cm / 4.1 * 3.7 * 1.4inch Package Weight: 92g / 3.2oz Packing List: 1 * J-01-3.5 3.5mm Interface Single Sustain Pedal Materials: pedal is made of environmental ABS, very durable. Its opening and closing part can be repeated opening and closing 20000 times based on lever principle. Anti-skid Bottom: bottom of sustain pedal is equipped with four anti-skid silicone pad, which makes pedal not sliding during use. Silent Design: Adopt silent design. Only make a low decibel ticking sound during use. Diamond Lines: With exquisite appearance. After many design reform, combining with several generations of pedal design styles, finally create diamond-lines style, in line with preference of most users. 3.5mm Audio Head: 3.5mm audio head can be perfectly combined with hole position of musical instruments, no loosening, no electric leakage.