This used BOSS FS-5U Nonlatching Footswitch pedal is in great condition and functions flawlessly, offering reliable performance for keyboard sustain, guitar amp switching, or effects control. Designed with a momentary (nonlatching) action, it activates only while pressed, making it ideal for real-time effects and tap tempo applications. It features a sturdy metal chassis, a polarity switch for compatibility with various gear, and a standard 1/4" TS output jack. Compact and durable, the FS-5U is perfect for musicians seeking responsive control in the studio or on stage.