Pédale de sustain
Sustain Pedal f. E-Piano & Keyboards, with "polarity" switch - Sturdy and durable, square-shaped black metal housing - Base and footplate with anti-slip rubber layer - 6ft (1.8m) cable with " (6.3mm) phone plug - 2 position "polarity" switch: Normally open (NO = "+ polarity") or closed (NC = "- polarity"), for maximum compatibility with almost all electronic keyboards and pianos