FS2020U1 Foot Switch, Can be customized as any buttons, such as combination key, shortcut key, multi-media key, etc., (multi-media function., to achieve one-key open the player, and adjust the volume, etc., gamepad function, to replace any two keys of the gamepad.) Wide Application. Widely applied for working, game, music, mechanical devices, devices, audio equipment, etc. Multiple Systems Compatible. Widely compatible with multiple systems, such as for windows, android, linux, etc. More Stable & Non--Slip, More stable, and non-slip pad design makes it uneasy to slip, high quality material ensures its durability. Anti-interference USB Plug. Control chipset built in the USB plug, with improved anti-interference capability, and the insert molding makes the inner circuit resistant to water and moisture. No Shaft Structure. Designed with no-shaft structure, for more flexible response and simplicity. Specification: Model: FS2020U1SW USB: 5V@15mA Lifetime: Over 300,000 times Pedals Quantity: 3 Switch: Mechanical Switch Colour: black Material: plastic Size: 367 * 143 * 45mm / 14.4 * 5.6 * 1.8in Cable Length: 2m / 78.7in Package Contents: 2 * Foot Switch 2 * CD 2 * Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.